/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_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:01:50,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:01:50,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:01:50,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:01:50,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:01:50,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:01:50,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:01:50,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:01:50,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:01:50,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:01:50,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:01:50,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:01:50,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:01:50,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:01:50,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:01:50,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:01:50,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:01:50,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:01:50,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:01:50,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:01:50,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:01:50,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:01:50,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:01:50,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:01:50,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:01:50,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:01:50,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:01:50,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:01:50,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:01:50,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:01:50,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:01:50,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:01:50,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:01:50,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:01:50,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:01:50,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:01:50,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:01:50,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:01:50,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:01:50,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:01:50,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:01:50,243 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 16:01:50,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:01:50,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:01:50,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:01:50,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:01:50,308 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:01:50,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:01:50,308 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:01:50,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:01:50,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:01:50,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:01:50,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:01:50,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:01:50,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:01:50,311 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:01:50,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:01:50,311 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:01:50,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:01:50,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:01:50,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:01:50,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:01:50,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:01:50,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:01:50,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:01:50,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:01:50,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:01:50,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:01:50,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:01:50,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:01:50,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:01:50,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:01:50,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:01:50,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:01:50,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:01:50,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:01:50,750 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:01:50,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2020-10-28 16:01:50,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f38a1385f/8c9beecc9a9d4bad92148260498b350b/FLAG6a4c57242 [2020-10-28 16:01:51,590 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:01:51,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2020-10-28 16:01:51,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f38a1385f/8c9beecc9a9d4bad92148260498b350b/FLAG6a4c57242 [2020-10-28 16:01:51,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f38a1385f/8c9beecc9a9d4bad92148260498b350b [2020-10-28 16:01:51,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:01:51,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:01:51,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:01:51,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:01:51,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:01:51,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:01:51" (1/1) ... [2020-10-28 16:01:51,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad53700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:51, skipping insertion in model container [2020-10-28 16:01:51,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:01:51" (1/1) ... [2020-10-28 16:01:51,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:01:51,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:01:52,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:01:52,709 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:01:52,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:01:52,998 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:01:52,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:52 WrapperNode [2020-10-28 16:01:52,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:01:53,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:01:53,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:01:53,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:01:53,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:52" (1/1) ... [2020-10-28 16:01:53,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:52" (1/1) ... [2020-10-28 16:01:53,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:52" (1/1) ... [2020-10-28 16:01:53,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:52" (1/1) ... [2020-10-28 16:01:53,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:52" (1/1) ... [2020-10-28 16:01:53,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:52" (1/1) ... [2020-10-28 16:01:53,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:52" (1/1) ... [2020-10-28 16:01:53,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:01:53,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:01:53,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:01:53,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:01:53,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:52" (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 16:01:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:01:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:01:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:01:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:01:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-28 16:01:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-28 16:01:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-28 16:01:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-28 16:01:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-28 16:01:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-28 16:01:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-28 16:01:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-28 16:01:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-28 16:01:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-28 16:01:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-28 16:01:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-28 16:01:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-28 16:01:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-28 16:01:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-28 16:01:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-28 16:01:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-28 16:01:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-28 16:01:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-28 16:01:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-28 16:01:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-28 16:01:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-28 16:01:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-28 16:01:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-28 16:01:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-28 16:01:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-28 16:01:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-28 16:01:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-28 16:01:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-28 16:01:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-28 16:01:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-28 16:01:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-28 16:01:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-28 16:01:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-28 16:01:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-28 16:01:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-28 16:01:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-28 16:01:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-28 16:01:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-28 16:01:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-28 16:01:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-28 16:01:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-28 16:01:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-28 16:01:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-28 16:01:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-28 16:01:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-28 16:01:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-28 16:01:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-28 16:01:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-28 16:01:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-28 16:01:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:01:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-28 16:01:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-28 16:01:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-28 16:01:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-28 16:01:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-28 16:01:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-28 16:01:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:01:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-28 16:01:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-28 16:01:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-28 16:01:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-28 16:01:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-28 16:01:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-28 16:01:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-28 16:01:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-28 16:01:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:01:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:01:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-28 16:01:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-28 16:01:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-28 16:01:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-28 16:01:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-28 16:01:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-28 16:01:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-28 16:01:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-28 16:01:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-28 16:01:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-28 16:01:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:01:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:01:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:01:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:01:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:01:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:01:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-28 16:01:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-28 16:01:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-28 16:01:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-28 16:01:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-28 16:01:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-28 16:01:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-28 16:01:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-28 16:01:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-28 16:01:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-28 16:01:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-28 16:01:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-28 16:01:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-28 16:01:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-28 16:01:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-28 16:01:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-28 16:01:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-28 16:01:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-28 16:01:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:01:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:01:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:01:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-28 16:01:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-28 16:01:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-28 16:01:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-28 16:01:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-28 16:01:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-28 16:01:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-28 16:01:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-28 16:01:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-28 16:01:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-28 16:01:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-28 16:01:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-28 16:01:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-28 16:01:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-28 16:01:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-28 16:01:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-28 16:01:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-28 16:01:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-28 16:01:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-28 16:01:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-28 16:01:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-28 16:01:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-28 16:01:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-28 16:01:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-28 16:01:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-28 16:01:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-28 16:01:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-28 16:01:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-28 16:01:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-28 16:01:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-28 16:01:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-28 16:01:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-28 16:01:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-28 16:01:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-28 16:01:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-28 16:01:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-28 16:01:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-28 16:01:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-28 16:01:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-28 16:01:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-28 16:01:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-28 16:01:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-28 16:01:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-28 16:01:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-28 16:01:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-28 16:01:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-28 16:01:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-28 16:01:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-28 16:01:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-28 16:01:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-28 16:01:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:01:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:01:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-28 16:01:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-28 16:01:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-28 16:01:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-28 16:01:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-28 16:01:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-28 16:01:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-28 16:01:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-28 16:01:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-28 16:01:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-28 16:01:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-28 16:01:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-28 16:01:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-28 16:01:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-28 16:01:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-28 16:01:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:01:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-28 16:01:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:01:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:01:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:01:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-28 16:01:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-28 16:01:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-28 16:01:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-28 16:01:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-28 16:01:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-28 16:01:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-28 16:01:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-28 16:01:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-28 16:01:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-28 16:01:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:01:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:01:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-28 16:01:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-28 16:01:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-28 16:01:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-28 16:01:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-28 16:01:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:01:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:01:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:01:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:01:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:01:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:01:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:01:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:01:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:01:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:01:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:01:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:01:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:01:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:01:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:01:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-28 16:01:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-28 16:01:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-28 16:01:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-28 16:01:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-28 16:01:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-28 16:01:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-28 16:01:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-28 16:01:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-28 16:01:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-28 16:01:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-28 16:01:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-28 16:01:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:01:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:01:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:01:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:01:55,478 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:01:55,479 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 16:01:55,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:01:55 BoogieIcfgContainer [2020-10-28 16:01:55,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:01:55,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:01:55,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:01:55,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:01:55,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:01:51" (1/3) ... [2020-10-28 16:01:55,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753f50b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:01:55, skipping insertion in model container [2020-10-28 16:01:55,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:01:52" (2/3) ... [2020-10-28 16:01:55,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753f50b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:01:55, skipping insertion in model container [2020-10-28 16:01:55,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:01:55" (3/3) ... [2020-10-28 16:01:55,498 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product15.cil.c [2020-10-28 16:01:55,514 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:01:55,520 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:01:55,533 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:01:55,584 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:01:55,584 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:01:55,584 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:01:55,584 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:01:55,585 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:01:55,585 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:01:55,585 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:01:55,585 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:01:55,614 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2020-10-28 16:01:55,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 16:01:55,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:01:55,640 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 16:01:55,640 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 16:01:55,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:01:55,647 INFO L82 PathProgramCache]: Analyzing trace with hash -183670391, now seen corresponding path program 1 times [2020-10-28 16:01:55,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:01:55,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052951920] [2020-10-28 16:01:55,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:01:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:01:56,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:56,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:56,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:58,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:01:58,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:00,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:01,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:01,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 16:02:01,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:02:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-28 16:02:01,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:01,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-28 16:02:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:01,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:02:03,656 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-28 16:02:03,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:02:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:03,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:03,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:03,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:02:03,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:03,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 16:02:03,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:03,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:03,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:03,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:02:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:03,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:03,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:03,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:02:03,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:03,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:03,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:03,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:03,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:03,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:03,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:02:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:03,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:03,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:03,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:02:03,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:03,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:03,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:03,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:03,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:03,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:02:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:03,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:03,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:03,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:02:03,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:03,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:03,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:03,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:03,943 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-28 16:02:03,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:02:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:03,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:03,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:04,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:04,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:08,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:08,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:02:08,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:02:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:02:08,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:08,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:08,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:09,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:02:09,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:09,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:02:09,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:09,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:09,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:02:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:09,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:02:09,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:09,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:02:09,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:09,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:09,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:09,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:02:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:09,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:02:09,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:09,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:02:09,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:09,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:02:09,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:09,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 16:02:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:02:09,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:02:09,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:02:09,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:02:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:09,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 16:02:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 16:02:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:02:09,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:02:09,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 16:02:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 16:02:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:09,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 16:02:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:09,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:09,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:09,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:09,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:09,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:09,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:09,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:09,373 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 16:02:09,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052951920] [2020-10-28 16:02:09,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:02:09,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 16:02:09,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033342245] [2020-10-28 16:02:09,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 16:02:09,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:02:09,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 16:02:09,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:02:09,403 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 10 states. [2020-10-28 16:02:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:02:28,221 INFO L93 Difference]: Finished difference Result 998 states and 1487 transitions. [2020-10-28 16:02:28,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 16:02:28,223 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-28 16:02:28,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:02:28,248 INFO L225 Difference]: With dead ends: 998 [2020-10-28 16:02:28,248 INFO L226 Difference]: Without dead ends: 715 [2020-10-28 16:02:28,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-28 16:02:28,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2020-10-28 16:02:28,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 420. [2020-10-28 16:02:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-28 16:02:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 561 transitions. [2020-10-28 16:02:28,554 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 561 transitions. Word has length 146 [2020-10-28 16:02:28,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:02:28,555 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 561 transitions. [2020-10-28 16:02:28,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 16:02:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 561 transitions. [2020-10-28 16:02:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-28 16:02:28,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:02:28,586 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 16:02:28,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:02:28,587 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 16:02:28,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:02:28,588 INFO L82 PathProgramCache]: Analyzing trace with hash -2110866140, now seen corresponding path program 1 times [2020-10-28 16:02:28,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:02:28,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31858074] [2020-10-28 16:02:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:02:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:28,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:28,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:28,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:28,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:29,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:33,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:33,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-28 16:02:33,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:02:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-28 16:02:33,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:33,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:02:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:02:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:02:33,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:36,008 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-28 16:02:36,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:02:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:36,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:36,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:36,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:02:36,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:36,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 16:02:36,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:36,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:36,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:36,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:02:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:36,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:36,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:36,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:02:36,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:36,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:36,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:36,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:36,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:36,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:02:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:36,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:36,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:36,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:02:36,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:36,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:02:36,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:36,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:36,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:36,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:02:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:36,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:36,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:36,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:02:36,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:36,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:36,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:36,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:02:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:36,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:36,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:36,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:36,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:37,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:02:41,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:02:41,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 16:02:41,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:41,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:02:41,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:41,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:02:41,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:41,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:41,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:02:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:41,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:02:41,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:41,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:02:41,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:41,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:41,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:02:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:02:41,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:02:41,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:41,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:02:41,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:02:41,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:41,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:02:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:41,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 16:02:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:02:41,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:02:41,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:02:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:02:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:41,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:02:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:02:41,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:41,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 16:02:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:02:41,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 16:02:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:02:41,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:02:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 16:02:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:41,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:02:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 16:02:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:41,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:02:41,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:02:41,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:02:41,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:02:41,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:02:41,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:02:41,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:02:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:02:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:02:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:02:41,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:02:41,546 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 16:02:41,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31858074] [2020-10-28 16:02:41,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:02:41,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:02:41,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145545114] [2020-10-28 16:02:41,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:02:41,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:02:41,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:02:41,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:02:41,555 INFO L87 Difference]: Start difference. First operand 420 states and 561 transitions. Second operand 11 states. [2020-10-28 16:02:46,706 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-28 16:02:59,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:02:59,537 INFO L93 Difference]: Finished difference Result 906 states and 1297 transitions. [2020-10-28 16:02:59,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:02:59,538 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-28 16:02:59,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:02:59,553 INFO L225 Difference]: With dead ends: 906 [2020-10-28 16:02:59,553 INFO L226 Difference]: Without dead ends: 718 [2020-10-28 16:02:59,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-28 16:02:59,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-10-28 16:02:59,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 422. [2020-10-28 16:02:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-28 16:02:59,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 563 transitions. [2020-10-28 16:02:59,835 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 563 transitions. Word has length 147 [2020-10-28 16:02:59,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:02:59,836 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 563 transitions. [2020-10-28 16:02:59,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:02:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 563 transitions. [2020-10-28 16:02:59,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-28 16:02:59,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:02:59,842 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, 1, 1, 1, 1] [2020-10-28 16:02:59,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:02:59,842 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 16:02:59,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:02:59,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1651950740, now seen corresponding path program 1 times [2020-10-28 16:02:59,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:02:59,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352541542] [2020-10-28 16:02:59,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:02:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:02:59,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:00,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:00,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:00,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:00,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:02,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:02,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:02,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:03,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:03,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:04,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:04,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-28 16:03:04,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 16:03:04,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-28 16:03:04,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:04,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:04,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:03:04,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:03:04,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 16:03:04,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:07,067 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-28 16:03:07,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:03:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:07,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:07,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:07,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:03:07,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:07,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 16:03:07,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:07,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:07,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:03:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:07,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:07,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:03:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:07,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:07,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:03:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:07,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:07,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:07,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:03:07,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:07,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:07,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:07,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:03:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:07,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:07,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:07,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:03:07,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:07,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:07,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:07,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:07,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:07,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:07,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:07,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:07,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:03:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:07,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:07,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:07,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:07,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:08,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:03:12,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:03:12,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 16:03:12,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:12,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:03:12,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:12,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:03:12,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:03:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:12,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:03:12,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:12,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:03:12,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:03:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:12,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:03:12,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:12,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:03:12,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 16:03:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:03:12,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:03:12,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:03:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:03:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 16:03:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 16:03:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:03:12,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:03:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-28 16:03:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 16:03:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-28 16:03:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:12,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:12,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:12,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:12,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:12,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:12,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:12,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:12,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:12,580 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 16:03:12,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352541542] [2020-10-28 16:03:12,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:03:12,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 16:03:12,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596282395] [2020-10-28 16:03:12,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 16:03:12,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:03:12,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 16:03:12,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:03:12,584 INFO L87 Difference]: Start difference. First operand 422 states and 563 transitions. Second operand 12 states. [2020-10-28 16:03:18,399 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-28 16:03:20,584 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-28 16:03:36,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:03:36,115 INFO L93 Difference]: Finished difference Result 965 states and 1398 transitions. [2020-10-28 16:03:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:03:36,116 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2020-10-28 16:03:36,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:03:36,123 INFO L225 Difference]: With dead ends: 965 [2020-10-28 16:03:36,124 INFO L226 Difference]: Without dead ends: 777 [2020-10-28 16:03:36,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2020-10-28 16:03:36,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-10-28 16:03:36,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 465. [2020-10-28 16:03:36,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-10-28 16:03:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 637 transitions. [2020-10-28 16:03:36,380 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 637 transitions. Word has length 157 [2020-10-28 16:03:36,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:03:36,381 INFO L481 AbstractCegarLoop]: Abstraction has 465 states and 637 transitions. [2020-10-28 16:03:36,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 16:03:36,381 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 637 transitions. [2020-10-28 16:03:36,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 16:03:36,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:03:36,384 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 16:03:36,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:03:36,385 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 16:03:36,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:03:36,386 INFO L82 PathProgramCache]: Analyzing trace with hash 10730133, now seen corresponding path program 1 times [2020-10-28 16:03:36,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:03:36,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926831876] [2020-10-28 16:03:36,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:03:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:36,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:36,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:36,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:36,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:36,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:38,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:40,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:41,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:41,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-28 16:03:41,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 16:03:41,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 16:03:41,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:41,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:03:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:03:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 16:03:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:43,621 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-28 16:03:43,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:03:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:43,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:43,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:43,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:03:43,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 16:03:43,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:43,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:43,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:43,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:03:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:43,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:43,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:43,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:03:43,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:43,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:43,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:43,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:43,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:43,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:03:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:43,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:43,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:43,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:03:43,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:43,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:43,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:03:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:43,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:43,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:43,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:03:43,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:43,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:43,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:43,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:43,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:43,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:43,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:43,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:43,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:03:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:43,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:43,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:43,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:43,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:44,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:03:48,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:03:48,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:03:48,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:48,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:03:48,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:48,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:48,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:48,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:48,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:48,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:48,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:03:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:48,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:03:48,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:48,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:48,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:48,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:48,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:48,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:48,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:03:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:03:48,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:03:48,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:03:48,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:48,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:48,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:48,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:03:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:48,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:48,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 16:03:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:03:48,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:03:48,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:03:48,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:48,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:03:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:48,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:48,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:48,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:48,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:48,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:48,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:48,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:48,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:48,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:48,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:49,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:03:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:49,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:49,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:49,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:49,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:49,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:49,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:49,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:03:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:49,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:03:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:49,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:49,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:49,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:49,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:49,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:49,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:49,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:49,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:49,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:49,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:49,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 16:03:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:49,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:49,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:49,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:03:49,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:49,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:49,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:49,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:03:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:49,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:49,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:03:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:49,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:49,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:49,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:49,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:49,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:49,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:49,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:49,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:49,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:49,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 16:03:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:49,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:49,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:49,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:49,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:49,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:03:49,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:49,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:49,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:49,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 16:03:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:03:49,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:03:49,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:03:49,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:03:49,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:03:49,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:03:49,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:03:49,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:03:49,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:03:49,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:03:49,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:03:49,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:03:49,097 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 16:03:49,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926831876] [2020-10-28 16:03:49,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:03:49,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:03:49,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584257223] [2020-10-28 16:03:49,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:03:49,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:03:49,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:03:49,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:03:49,100 INFO L87 Difference]: Start difference. First operand 465 states and 637 transitions. Second operand 11 states. [2020-10-28 16:03:55,080 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-28 16:04:12,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:04:12,979 INFO L93 Difference]: Finished difference Result 1088 states and 1632 transitions. [2020-10-28 16:04:12,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:04:12,980 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-28 16:04:12,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:04:12,986 INFO L225 Difference]: With dead ends: 1088 [2020-10-28 16:04:12,986 INFO L226 Difference]: Without dead ends: 900 [2020-10-28 16:04:12,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:04:12,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-28 16:04:13,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 507. [2020-10-28 16:04:13,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-10-28 16:04:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 707 transitions. [2020-10-28 16:04:13,231 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 707 transitions. Word has length 159 [2020-10-28 16:04:13,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:04:13,232 INFO L481 AbstractCegarLoop]: Abstraction has 507 states and 707 transitions. [2020-10-28 16:04:13,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:04:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 707 transitions. [2020-10-28 16:04:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-28 16:04:13,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:04:13,236 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] [2020-10-28 16:04:13,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:04:13,236 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 16:04:13,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:04:13,237 INFO L82 PathProgramCache]: Analyzing trace with hash -505836360, now seen corresponding path program 1 times [2020-10-28 16:04:13,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:04:13,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892638915] [2020-10-28 16:04:13,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:04:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:13,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:13,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:13,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:13,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:13,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:14,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:14,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:14,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:14,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:14,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:14,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:15,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:15,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:15,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:17,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:18,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:18,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-28 16:04:18,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 16:04:18,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 16:04:18,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:18,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:04:18,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:04:18,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:04:18,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:20,325 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-28 16:04:20,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:04:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:20,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:20,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:20,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:04:20,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 16:04:20,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:20,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:20,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:04:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:20,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:20,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:20,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:04:20,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:20,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:20,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:20,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:20,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:04:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:20,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:20,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:20,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:04:20,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:20,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:20,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:20,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:04:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:20,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:20,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:20,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:04:20,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:20,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:20,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:20,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:20,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:20,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:04:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:20,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:20,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:20,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:20,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:21,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:04:24,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:04:24,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4377 [2020-10-28 16:04:24,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:04:24,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:04:24,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:04:24,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:04:24,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:24,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:24,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:04:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:24,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:24,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:04:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:04:24,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:04:24,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:04:24,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:24,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:24,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:24,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:04:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:24,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:24,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:04:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:04:24,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:04:24,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:04:24,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:24,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:24,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:24,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:04:24,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:04:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:24,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:24,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:24,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 16:04:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:24,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:24,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:24,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:04:24,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:24,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:04:24,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:24,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:24,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:24,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:04:24,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:24,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:25,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:25,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:25,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:25,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:25,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:25,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:25,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:25,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:25,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:25,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:25,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:25,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:25,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:04:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:25,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:25,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:25,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:25,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:25,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:25,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:25,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:25,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:04:25,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 16:04:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:25,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:25,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:25,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:25,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:25,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:25,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:25,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:25,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:25,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 16:04:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:25,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:25,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:25,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:04:25,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:25,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:25,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:04:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:25,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:25,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 16:04:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:25,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:25,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:25,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:25,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:25,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:25,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:25,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:25,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:25,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:25,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:25,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-28 16:04:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:25,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:25,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:25,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:25,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:25,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:25,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:25,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:25,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:25,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-28 16:04:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:25,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:25,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:25,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:25,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:25,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:25,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:25,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:25,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:25,120 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 16:04:25,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892638915] [2020-10-28 16:04:25,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:04:25,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:04:25,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860185759] [2020-10-28 16:04:25,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:04:25,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:04:25,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:04:25,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:04:25,122 INFO L87 Difference]: Start difference. First operand 507 states and 707 transitions. Second operand 11 states. [2020-10-28 16:04:29,730 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-28 16:04:44,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:04:44,682 INFO L93 Difference]: Finished difference Result 1499 states and 2341 transitions. [2020-10-28 16:04:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:04:44,683 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-28 16:04:44,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:04:44,692 INFO L225 Difference]: With dead ends: 1499 [2020-10-28 16:04:44,693 INFO L226 Difference]: Without dead ends: 1135 [2020-10-28 16:04:44,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:04:44,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2020-10-28 16:04:44,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 586. [2020-10-28 16:04:44,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-28 16:04:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 840 transitions. [2020-10-28 16:04:44,991 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 840 transitions. Word has length 160 [2020-10-28 16:04:44,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:04:44,991 INFO L481 AbstractCegarLoop]: Abstraction has 586 states and 840 transitions. [2020-10-28 16:04:44,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:04:44,991 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 840 transitions. [2020-10-28 16:04:44,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-28 16:04:44,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:04:44,996 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 16:04:44,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:04:44,996 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 16:04:44,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:04:44,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1196841301, now seen corresponding path program 1 times [2020-10-28 16:04:44,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:04:44,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119203851] [2020-10-28 16:04:44,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:04:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:45,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:45,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:45,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:45,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:45,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:45,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:46,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:46,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:46,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:46,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:46,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:46,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:46,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:50,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:50,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-28 16:04:50,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 16:04:50,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 16:04:50,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:50,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:04:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:04:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 16:04:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:52,167 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-28 16:04:52,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:04:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:52,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:52,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:52,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:04:52,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:52,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 16:04:52,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:52,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:52,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:52,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:52,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:52,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:52,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:04:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:52,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:52,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:52,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:04:52,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:52,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:52,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:52,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:52,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:52,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:52,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:52,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:52,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:04:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:52,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:52,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:52,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:04:52,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:52,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:52,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:52,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:52,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:52,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:52,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:52,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:52,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:04:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:52,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:52,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:52,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:04:52,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:52,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:52,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:52,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:52,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:52,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:04:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:52,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:52,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:52,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:52,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:52,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:04:56,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:04:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4217 [2020-10-28 16:04:56,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:04:56,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:04:56,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:04:56,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:56,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:56,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:04:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:56,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:04:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:04:56,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:04:56,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:04:56,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:04:56,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:56,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:04:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:56,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:04:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:04:56,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:04:56,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:04:56,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:04:56,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:56,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:04:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:56,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 16:04:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:04:56,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:04:56,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:04:56,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:04:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:56,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:04:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:56,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:04:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 16:04:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:04:56,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:56,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 16:04:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:04:56,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:56,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:04:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 16:04:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:56,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 16:04:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:56,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 16:04:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:04:56,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:04:56,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:04:56,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:04:56,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:04:56,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:04:56,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:04:56,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:04:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:04:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:04:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:04:56,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:04:56,846 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 16:04:56,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119203851] [2020-10-28 16:04:56,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:04:56,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:04:56,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517245916] [2020-10-28 16:04:56,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:04:56,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:04:56,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:04:56,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:04:56,849 INFO L87 Difference]: Start difference. First operand 586 states and 840 transitions. Second operand 11 states. [2020-10-28 16:05:02,474 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-28 16:05:20,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:05:20,350 INFO L93 Difference]: Finished difference Result 2034 states and 3337 transitions. [2020-10-28 16:05:20,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:05:20,351 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2020-10-28 16:05:20,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:05:20,363 INFO L225 Difference]: With dead ends: 2034 [2020-10-28 16:05:20,363 INFO L226 Difference]: Without dead ends: 1583 [2020-10-28 16:05:20,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:05:20,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2020-10-28 16:05:20,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 736. [2020-10-28 16:05:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 736 states. [2020-10-28 16:05:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1093 transitions. [2020-10-28 16:05:20,886 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1093 transitions. Word has length 161 [2020-10-28 16:05:20,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:05:20,887 INFO L481 AbstractCegarLoop]: Abstraction has 736 states and 1093 transitions. [2020-10-28 16:05:20,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:05:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1093 transitions. [2020-10-28 16:05:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-28 16:05:20,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:05:20,892 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 16:05:20,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:05:20,892 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 16:05:20,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:05:20,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1799462216, now seen corresponding path program 1 times [2020-10-28 16:05:20,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:05:20,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807796030] [2020-10-28 16:05:20,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:05:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:20,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:21,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:21,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:21,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:21,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:25,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:25,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-28 16:05:25,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:05:25,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 16:05:25,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:25,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:25,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:05:25,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:05:25,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:05:25,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:28,055 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-28 16:05:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:05:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:28,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:28,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:28,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:05:28,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:28,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 16:05:28,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:28,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:28,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:28,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:05:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:28,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:28,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:28,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:05:28,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:05:28,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:28,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:28,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:28,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:05:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:28,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:28,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:28,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:05:28,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:05:28,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:28,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:28,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:05:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:28,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:28,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:28,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:05:28,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:28,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:05:28,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:28,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:28,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:28,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:05:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:28,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:28,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:28,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:28,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:28,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:05:33,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:05:33,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4950 [2020-10-28 16:05:33,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:05:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:05:33,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:05:33,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:05:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:05:33,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:05:33,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:05:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:05:33,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:05:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:05:33,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:05:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:05:33,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:05:33,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:05:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:05:33,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:05:33,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:05:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:05:33,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:05:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:05:33,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:05:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:05:33,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:05:33,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:05:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:05:33,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:05:33,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:05:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:05:33,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:05:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:05:33,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-28 16:05:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:05:33,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:05:33,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:05:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:05:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:05:33,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:05:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:05:33,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:05:33,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 16:05:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:05:33,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:05:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:05:33,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 16:05:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:05:33,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:05:33,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:05:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 16:05:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:05:33,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:05:33,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 16:05:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:05:33,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:05:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-28 16:05:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:05:33,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:05:33,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:05:33,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:05:33,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:05:33,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:05:33,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:05:33,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:05:33,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:05:33,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:05:33,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:05:33,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:05:33,436 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 16:05:33,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807796030] [2020-10-28 16:05:33,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:05:33,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:05:33,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792140556] [2020-10-28 16:05:33,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:05:33,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:05:33,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:05:33,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:05:33,439 INFO L87 Difference]: Start difference. First operand 736 states and 1093 transitions. Second operand 11 states.