/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=DEEPEST --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 [2020-10-27 21:20:07,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:20:07,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:20:07,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:20:07,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:20:07,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:20:07,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:20:07,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:20:07,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:20:07,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:20:07,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:20:07,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:20:07,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:20:07,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:20:07,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:20:07,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:20:07,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:20:07,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:20:07,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:20:07,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:20:07,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:20:07,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:20:07,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:20:07,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:20:07,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:20:07,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:20:07,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:20:07,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:20:07,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:20:07,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:20:07,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:20:07,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:20:07,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:20:07,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:20:07,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:20:07,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:20:07,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:20:07,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:20:07,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:20:07,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:20:07,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:20:07,297 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 [2020-10-27 21:20:07,366 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:20:07,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:20:07,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:20:07,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:20:07,369 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:20:07,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:20:07,369 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:20:07,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:20:07,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:20:07,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:20:07,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:20:07,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:20:07,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:20:07,371 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:20:07,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:20:07,371 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:20:07,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:20:07,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:20:07,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:20:07,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:20:07,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:20:07,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:20:07,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:20:07,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:20:07,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:20:07,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:20:07,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:20:07,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:20:07,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:20:07,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:20:07,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:20:07,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:20:07,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:20:07,806 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:20:07,807 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:20:07,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2020-10-27 21:20:07,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01d8c128a/88badbc2ef9343babf019abe3438169d/FLAG888f7c3db [2020-10-27 21:20:08,651 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:20:08,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2020-10-27 21:20:08,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01d8c128a/88badbc2ef9343babf019abe3438169d/FLAG888f7c3db [2020-10-27 21:20:08,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01d8c128a/88badbc2ef9343babf019abe3438169d [2020-10-27 21:20:08,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:20:08,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:20:08,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:20:08,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:20:08,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:20:08,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:20:08" (1/1) ... [2020-10-27 21:20:08,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f503ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:08, skipping insertion in model container [2020-10-27 21:20:08,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:20:08" (1/1) ... [2020-10-27 21:20:08,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:20:09,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:20:09,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:20:09,808 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:20:09,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:20:10,129 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:20:10,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:10 WrapperNode [2020-10-27 21:20:10,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:20:10,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:20:10,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:20:10,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:20:10,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:10" (1/1) ... [2020-10-27 21:20:10,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:10" (1/1) ... [2020-10-27 21:20:10,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:10" (1/1) ... [2020-10-27 21:20:10,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:10" (1/1) ... [2020-10-27 21:20:10,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:10" (1/1) ... [2020-10-27 21:20:10,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:10" (1/1) ... [2020-10-27 21:20:10,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:10" (1/1) ... [2020-10-27 21:20:10,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:20:10,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:20:10,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:20:10,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:20:10,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:10" (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 [2020-10-27 21:20:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:20:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:20:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:20:10,410 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:20:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:20:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:20:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:20:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:20:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:20:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:20:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:20:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:20:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:20:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:20:10,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:20:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:20:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:20:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:20:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:20:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:20:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:20:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:20:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:20:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:20:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:20:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:20:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:20:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:20:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:20:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:20:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:20:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:20:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:20:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:20:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:20:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:20:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:20:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:20:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:20:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:20:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:20:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:20:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:20:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:20:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:20:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:20:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:20:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:20:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:20:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:20:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:20:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:20:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:20:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:20:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:20:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 21:20:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:20:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 21:20:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:20:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:20:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:20:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:20:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:20:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:20:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:20:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:20:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:20:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:20:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:20:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:20:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:20:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:20:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:20:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:20:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:20:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:20:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:20:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:20:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:20:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:20:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:20:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 21:20:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:20:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:20:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:20:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:20:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:20:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:20:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 21:20:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:20:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:20:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:20:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:20:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-27 21:20:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-27 21:20:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:20:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:20:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:20:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:20:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:20:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:20:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:20:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:20:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:20:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 21:20:10,434 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:20:10,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:20:10,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:20:10,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:20:10,435 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:20:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:20:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:20:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:20:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:20:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:20:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:20:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:20:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:20:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:20:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:20:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:20:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:20:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:20:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:20:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:20:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:20:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:20:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:20:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:20:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:20:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:20:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:20:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:20:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:20:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:20:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:20:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:20:10,447 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:20:10,448 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:20:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:20:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:20:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:20:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:20:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:20:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:20:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:20:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:20:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:20:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:20:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:20:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:20:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:20:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:20:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:20:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:20:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:20:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:20:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:20:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:20:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:20:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:20:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:20:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:20:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:20:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:20:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:20:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:20:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:20:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:20:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:20:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:20:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 21:20:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 21:20:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:20:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 21:20:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:20:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:20:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:20:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:20:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:20:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:20:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:20:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:20:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:20:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:20:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:20:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:20:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:20:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:20:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:20:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:20:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:20:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:20:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:20:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:20:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:20:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:20:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:20:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:20:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:20:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:20:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:20:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:20:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:20:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:20:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:20:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:20:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:20:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:20:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:20:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:20:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:20:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:20:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:20:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:20:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:20:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:20:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:20:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:20:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 21:20:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:20:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:20:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:20:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:20:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:20:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:20:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 21:20:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:20:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-27 21:20:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-27 21:20:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:20:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:20:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:20:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:20:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:20:13,431 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:20:13,431 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:20:13,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:20:13 BoogieIcfgContainer [2020-10-27 21:20:13,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:20:13,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:20:13,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:20:13,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:20:13,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:20:08" (1/3) ... [2020-10-27 21:20:13,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@969597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:20:13, skipping insertion in model container [2020-10-27 21:20:13,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:10" (2/3) ... [2020-10-27 21:20:13,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@969597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:20:13, skipping insertion in model container [2020-10-27 21:20:13,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:20:13" (3/3) ... [2020-10-27 21:20:13,446 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product15.cil.c [2020-10-27 21:20:13,459 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:20:13,465 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:20:13,480 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:20:13,513 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:20:13,513 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:20:13,513 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:20:13,513 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:20:13,513 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:20:13,513 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:20:13,514 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:20:13,514 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:20:13,545 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2020-10-27 21:20:13,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 21:20:13,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:20:13,569 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] [2020-10-27 21:20:13,569 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]=== [2020-10-27 21:20:13,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:20:13,577 INFO L82 PathProgramCache]: Analyzing trace with hash -183670391, now seen corresponding path program 1 times [2020-10-27 21:20:13,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:20:13,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299826693] [2020-10-27 21:20:13,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:20:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:14,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:14,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:14,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:16,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:16,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:18,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:19,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:19,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-27 21:20:19,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:20:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5125 [2020-10-27 21:20:19,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:20:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:19,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:20:23,090 WARN L193 SmtUtils]: Spent 3.76 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:20:23,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:20:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:23,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:23,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:23,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:20:23,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:23,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 21:20:23,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:23,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:23,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:20:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:23,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:23,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:23,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:20:23,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:23,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:23,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:23,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:23,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:20:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:23,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:23,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:23,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:20:23,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:23,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:23,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:23,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:23,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:20:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:23,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:23,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:23,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:20:23,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:23,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:23,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:23,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:23,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:23,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:23,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:23,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:20:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:23,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:23,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:23,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:23,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:25,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:20:28,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:20:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:20:28,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:20:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:20:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 21:20:28,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:28,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:20:28,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:28,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:20:28,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:28,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:20:28,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:20:28,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:28,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:20:28,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:28,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:28,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:28,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:28,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:28,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:28,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:20:28,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:28,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:28,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:20:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:28,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:28,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:28,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:28,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:28,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:20:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:20:28,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:28,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:20:28,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:28,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:28,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:28,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:20:28,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:28,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:20:28,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:28,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:28,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:28,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:28,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:28,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:28,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:20:28,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:28,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:20:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:28,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:28,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:28,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:28,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:28,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:28,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:28,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:20:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:20:28,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:20:28,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-27 21:20:28,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:20:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:20:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:20:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:28,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:20:28,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:28,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 21:20:28,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:20:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:20:28,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:28,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:28,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:28,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:28,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:28,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:20:28,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:28,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:20:28,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:20:28,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:29,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:20:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:29,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:29,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:29,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:29,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:29,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:20:29,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:29,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:20:29,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:29,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:20:29,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:29,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:20:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:29,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:29,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:29,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:20:29,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:29,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:20:29,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:20:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:29,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:29,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:29,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:29,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:29,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:29,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:29,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:29,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:29,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:29,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:20:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:29,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:29,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:29,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:29,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:29,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:29,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:29,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:20:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:29,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:29,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:29,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:29,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:29,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:29,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:29,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:29,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:29,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:29,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:29,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 21:20:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:29,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:29,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:29,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:20:29,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:29,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:29,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:20:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:29,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:29,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 21:20:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:29,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:29,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:29,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:29,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:29,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:29,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:29,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:29,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:20:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:29,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:29,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:29,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:29,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:29,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:29,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:29,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:29,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:29,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:29,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:29,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 21:20:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:29,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:29,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:29,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:29,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:29,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:29,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:29,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:29,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:20:29,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299826693] [2020-10-27 21:20:29,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:20:29,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 21:20:29,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639071757] [2020-10-27 21:20:29,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 21:20:29,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:20:29,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 21:20:29,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 21:20:29,356 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 17 states. [2020-10-27 21:20:35,916 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:20:42,990 WARN L193 SmtUtils]: Spent 3.97 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 21:20:46,862 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 21:20:50,753 WARN L193 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 21:20:54,650 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 21:21:32,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:21:32,178 INFO L93 Difference]: Finished difference Result 1201 states and 1787 transitions. [2020-10-27 21:21:32,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-27 21:21:32,181 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 146 [2020-10-27 21:21:32,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:21:32,206 INFO L225 Difference]: With dead ends: 1201 [2020-10-27 21:21:32,206 INFO L226 Difference]: Without dead ends: 733 [2020-10-27 21:21:32,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 25.8s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 21:21:32,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-10-27 21:21:32,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 432. [2020-10-27 21:21:32,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-27 21:21:32,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 576 transitions. [2020-10-27 21:21:32,561 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 576 transitions. Word has length 146 [2020-10-27 21:21:32,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:21:32,562 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 576 transitions. [2020-10-27 21:21:32,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 21:21:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 576 transitions. [2020-10-27 21:21:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 21:21:32,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:21:32,569 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 21:21:32,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:21:32,570 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]=== [2020-10-27 21:21:32,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:21:32,571 INFO L82 PathProgramCache]: Analyzing trace with hash -290454144, now seen corresponding path program 1 times [2020-10-27 21:21:32,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:21:32,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379172499] [2020-10-27 21:21:32,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:21:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:32,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:32,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:32,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:32,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:33,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:33,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:33,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:37,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:37,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 21:21:37,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:21:37,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-27 21:21:37,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:37,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:21:37,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:21:37,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:21:37,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:41,448 WARN L193 SmtUtils]: Spent 3.64 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:21:41,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:21:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:41,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:41,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:41,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:21:41,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:41,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 21:21:41,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:41,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:41,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:41,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:41,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:21:41,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:21:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:41,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:41,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:41,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:21:41,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:41,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:41,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:41,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:41,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:21:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:41,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:41,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:41,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:21:41,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:41,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:41,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:41,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:41,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:21:41,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:21:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:41,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:41,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:41,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:21:41,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:41,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:41,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:41,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:41,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:41,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:41,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:41,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:21:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:41,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:41,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:41,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:41,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:41,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:21:46,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:21:46,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 21:21:46,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:21:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:21:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:21:46,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:21:46,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:46,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:21:46,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:46,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:46,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:46,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:21:46,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:46,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:21:46,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:46,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:46,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:46,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:46,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:46,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:46,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:46,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:21:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:46,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:46,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:46,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:46,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:21:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:21:46,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:46,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:21:46,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:46,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:21:46,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:21:46,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:46,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:46,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:46,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:21:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:46,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:46,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:21:46,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:46,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:21:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:21:46,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:21:46,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 21:21:46,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:21:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:21:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:21:46,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:21:46,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:21:46,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:21:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:21:46,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:46,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:46,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:46,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:46,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:21:46,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:46,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:21:46,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:21:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:21:46,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:47,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:21:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:47,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:47,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:47,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:47,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:47,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:21:47,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:21:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:21:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:21:47,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:47,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:21:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:47,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:47,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:47,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:21:47,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:47,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:21:47,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:21:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:47,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:21:47,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:47,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:47,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:47,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:47,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:47,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:47,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:47,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:47,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:21:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:47,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:47,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:47,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:47,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:47,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:47,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:47,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:21:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:47,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:47,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:47,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:47,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:47,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:47,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:47,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:47,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:47,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 21:21:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:47,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:47,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:47,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:21:47,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:47,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:47,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:47,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:21:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:47,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:47,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 21:21:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:47,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:47,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:47,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:47,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:47,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:47,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:47,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:47,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 21:21:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:47,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:47,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:47,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:47,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:47,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:47,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:47,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:47,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:47,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:47,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:47,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 21:21:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:47,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:47,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:47,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:47,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:47,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:21:47,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:47,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:21:47,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379172499] [2020-10-27 21:21:47,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:21:47,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:21:47,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140939840] [2020-10-27 21:21:47,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:21:47,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:21:47,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:21:47,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:21:47,432 INFO L87 Difference]: Start difference. First operand 432 states and 576 transitions. Second operand 18 states. [2020-10-27 21:21:53,300 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:21:57,975 WARN L193 SmtUtils]: Spent 3.82 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:22:03,921 WARN L193 SmtUtils]: Spent 4.10 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:22:09,233 WARN L193 SmtUtils]: Spent 4.10 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:22:36,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:22:36,448 INFO L93 Difference]: Finished difference Result 1113 states and 1608 transitions. [2020-10-27 21:22:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 21:22:36,449 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 148 [2020-10-27 21:22:36,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:22:36,459 INFO L225 Difference]: With dead ends: 1113 [2020-10-27 21:22:36,459 INFO L226 Difference]: Without dead ends: 749 [2020-10-27 21:22:36,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=243, Invalid=1017, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 21:22:36,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-27 21:22:36,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 441. [2020-10-27 21:22:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-27 21:22:36,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 588 transitions. [2020-10-27 21:22:36,757 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 588 transitions. Word has length 148 [2020-10-27 21:22:36,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:22:36,758 INFO L481 AbstractCegarLoop]: Abstraction has 441 states and 588 transitions. [2020-10-27 21:22:36,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:22:36,758 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 588 transitions. [2020-10-27 21:22:36,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-27 21:22:36,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:22:36,762 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:22:36,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:22:36,763 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]=== [2020-10-27 21:22:36,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:22:36,763 INFO L82 PathProgramCache]: Analyzing trace with hash -851643849, now seen corresponding path program 1 times [2020-10-27 21:22:36,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:22:36,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216777486] [2020-10-27 21:22:36,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:22:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:36,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:36,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:37,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:37,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:37,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:37,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:37,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:37,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:41,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:41,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 21:22:41,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 21:22:41,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-27 21:22:41,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:41,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:22:41,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:22:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:22:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:45,869 WARN L193 SmtUtils]: Spent 3.92 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:22:45,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:22:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:45,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:45,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:45,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:22:45,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:45,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 21:22:45,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:45,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:45,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:45,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:45,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:45,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:22:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:45,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:45,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:45,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:22:45,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:45,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:45,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:45,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:45,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:22:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:45,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:45,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:45,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:22:45,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:45,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:45,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:45,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:45,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:45,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:45,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:22:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:45,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:45,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:45,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:22:45,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:45,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:45,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:45,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:46,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:22:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:46,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:47,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:22:51,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:22:51,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:22:51,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:22:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:22:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:22:51,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:51,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:22:51,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:51,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:51,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:51,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:51,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:51,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:51,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:22:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:51,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:22:51,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:51,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:22:51,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:51,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:51,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:51,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:51,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:22:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:22:51,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:22:51,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-27 21:22:51,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:22:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:22:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:22:51,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:22:51,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:22:51,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:22:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:22:51,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:22:51,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:22:51,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:22:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:22:51,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:22:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:22:51,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:22:51,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:22:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:22:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 21:22:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:22:51,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:22:51,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:22:51,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:51,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:22:51,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:22:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:51,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:51,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:22:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:51,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:51,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:22:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:22:51,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:22:51,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:22:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:22:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:51,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:51,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:22:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:51,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:51,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 21:22:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:51,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:51,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:22:52,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216777486] [2020-10-27 21:22:52,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:22:52,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:22:52,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551767985] [2020-10-27 21:22:52,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:22:52,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:22:52,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:22:52,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:22:52,046 INFO L87 Difference]: Start difference. First operand 441 states and 588 transitions. Second operand 18 states. [2020-10-27 21:22:57,727 WARN L193 SmtUtils]: Spent 3.99 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:23:02,562 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:23:09,199 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:23:13,316 WARN L193 SmtUtils]: Spent 4.04 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:23:19,279 WARN L193 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:23:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:23:48,430 INFO L93 Difference]: Finished difference Result 1235 states and 1837 transitions. [2020-10-27 21:23:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 21:23:48,431 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 159 [2020-10-27 21:23:48,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:23:48,441 INFO L225 Difference]: With dead ends: 1235 [2020-10-27 21:23:48,441 INFO L226 Difference]: Without dead ends: 860 [2020-10-27 21:23:48,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 26.2s TimeCoverageRelationStatistics Valid=361, Invalid=1361, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 21:23:48,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2020-10-27 21:23:48,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 474. [2020-10-27 21:23:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-10-27 21:23:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 646 transitions. [2020-10-27 21:23:48,661 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 646 transitions. Word has length 159 [2020-10-27 21:23:48,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:23:48,662 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 646 transitions. [2020-10-27 21:23:48,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:23:48,662 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 646 transitions. [2020-10-27 21:23:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 21:23:48,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:23:48,666 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:23:48,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:23:48,666 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]=== [2020-10-27 21:23:48,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:23:48,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1062517194, now seen corresponding path program 1 times [2020-10-27 21:23:48,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:23:48,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303281258] [2020-10-27 21:23:48,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:23:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:48,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:48,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:48,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:49,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:49,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:49,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:51,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:51,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:51,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:51,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:53,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:53,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-27 21:23:53,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 21:23:53,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 21:23:53,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:23:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:23:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:23:53,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0