/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block 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=BIGGEST --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 -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:08:21,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:08:21,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:08:21,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:08:21,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:08:21,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:08:21,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:08:21,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:08:21,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:08:21,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:08:21,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:08:21,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:08:21,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:08:21,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:08:21,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:08:21,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:08:21,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:08:21,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:08:21,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:08:21,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:08:21,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:08:21,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:08:21,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:08:21,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:08:21,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:08:21,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:08:21,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:08:21,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:08:21,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:08:21,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:08:21,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:08:21,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:08:21,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:08:21,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:08:21,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:08:21,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:08:21,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:08:21,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:08:21,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:08:21,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:08:21,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:08:21,339 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 [2020-10-12 17:08:21,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:08:21,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:08:21,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:08:21,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:08:21,389 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:08:21,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:08:21,390 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:08:21,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:08:21,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:08:21,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:08:21,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:08:21,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:08:21,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:08:21,393 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:08:21,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:08:21,393 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:08:21,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:08:21,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:08:21,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:08:21,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:08:21,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:08:21,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:08:21,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:08:21,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:08:21,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:08:21,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:08:21,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:08:21,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:08:21,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:08:21,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:08:21,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:08:21,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:08:21,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:08:21,749 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:08:21,750 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:08:21,751 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c [2020-10-12 17:08:21,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db09777fd/3744d5cacd4f40f4ad6a9f4c7b5354ef/FLAG6f306b6af [2020-10-12 17:08:22,416 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:08:22,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c [2020-10-12 17:08:22,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db09777fd/3744d5cacd4f40f4ad6a9f4c7b5354ef/FLAG6f306b6af [2020-10-12 17:08:22,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db09777fd/3744d5cacd4f40f4ad6a9f4c7b5354ef [2020-10-12 17:08:22,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:08:22,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:08:22,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:08:22,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:08:22,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:08:22,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:08:22" (1/1) ... [2020-10-12 17:08:22,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d733b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:22, skipping insertion in model container [2020-10-12 17:08:22,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:08:22" (1/1) ... [2020-10-12 17:08:22,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:08:22,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:08:23,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:08:23,459 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:08:23,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:08:23,689 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:08:23,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:23 WrapperNode [2020-10-12 17:08:23,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:08:23,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:08:23,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:08:23,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:08:23,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:23" (1/1) ... [2020-10-12 17:08:23,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:23" (1/1) ... [2020-10-12 17:08:23,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:23" (1/1) ... [2020-10-12 17:08:23,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:23" (1/1) ... [2020-10-12 17:08:23,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:23" (1/1) ... [2020-10-12 17:08:23,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:23" (1/1) ... [2020-10-12 17:08:23,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:23" (1/1) ... [2020-10-12 17:08:23,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:08:23,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:08:23,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:08:23,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:08:23,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:23" (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 [2020-10-12 17:08:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:08:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:08:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:08:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:08:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:08:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:08:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:08:23,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:08:23,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:08:23,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:08:23,943 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:08:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:08:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:08:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:08:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:08:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:08:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:08:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:08:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:08:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:08:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:08:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:08:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:08:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:08:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:08:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:08:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-12 17:08:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:08:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:08:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2020-10-12 17:08:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:08:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-12 17:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:08:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:08:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:08:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:08:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:08:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:08:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-12 17:08:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:08:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:08:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-12 17:08:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:08:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:08:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:08:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:08:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:08:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:08:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:08:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:08:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:08:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:08:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:08:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:08:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:08:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:08:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:08:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:08:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:08:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:08:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:08:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:08:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:08:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:08:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:08:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:08:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:08:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:08:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:08:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:08:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:08:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:08:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:08:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:08:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:08:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:08:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-12 17:08:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:08:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:08:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:08:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:08:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:08:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:08:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:08:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:08:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:08:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:08:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:08:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:08:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:08:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:08:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:08:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:08:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:08:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:08:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:08:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:08:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:08:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:08:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:08:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:08:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:08:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:08:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:08:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:08:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:08:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:08:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:08:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:08:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:08:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:08:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:08:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:08:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:08:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:08:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:08:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:08:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:08:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:08:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:08:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:08:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:08:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:08:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:08:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:08:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-12 17:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:08:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:08:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:08:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:08:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:08:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:08:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:08:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:08:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:08:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:08:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:08:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:08:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:08:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:08:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:08:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:08:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-12 17:08:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:08:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2020-10-12 17:08:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-12 17:08:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:08:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:08:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:08:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:08:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:08:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:08:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-12 17:08:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:08:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:08:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:08:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:08:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:08:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:08:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:08:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:08:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:08:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:08:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:08:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:08:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:08:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:08:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:08:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:08:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:08:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:08:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:08:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:08:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:08:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:08:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:08:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:08:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:08:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:08:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-12 17:08:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:08:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:08:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:08:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:08:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:08:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:08:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:08:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:08:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:08:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:08:26,103 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:08:26,103 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:08:26,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:08:26 BoogieIcfgContainer [2020-10-12 17:08:26,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:08:26,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:08:26,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:08:26,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:08:26,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:08:22" (1/3) ... [2020-10-12 17:08:26,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4f9604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:08:26, skipping insertion in model container [2020-10-12 17:08:26,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:23" (2/3) ... [2020-10-12 17:08:26,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4f9604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:08:26, skipping insertion in model container [2020-10-12 17:08:26,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:08:26" (3/3) ... [2020-10-12 17:08:26,121 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product14.cil.c [2020-10-12 17:08:26,132 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:08:26,142 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:08:26,156 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:08:26,184 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:08:26,184 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:08:26,184 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:08:26,184 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:08:26,184 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:08:26,184 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:08:26,185 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:08:26,185 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:08:26,223 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states. [2020-10-12 17:08:26,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 17:08:26,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:08:26,245 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:08:26,246 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:08:26,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:08:26,253 INFO L82 PathProgramCache]: Analyzing trace with hash 2061337628, now seen corresponding path program 1 times [2020-10-12 17:08:26,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:08:26,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060196167] [2020-10-12 17:08:26,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:08:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:26,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:27,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:27,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:27,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:27,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:31,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:31,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-12 17:08:31,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:08:31,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-12 17:08:31,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:31,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:08:31,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 17:08:31,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:08:31,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:08:33,492 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:08:33,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:08:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:33,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:33,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:33,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:08:33,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:33,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 17:08:33,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:33,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:33,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:08:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:33,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:33,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:33,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:08:33,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:33,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:33,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:33,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:08:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:33,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:33,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:33,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:08:33,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:33,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:33,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:33,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:33,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:08:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:33,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:33,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:33,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:08:33,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:33,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:33,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:33,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:33,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:33,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:33,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:33,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:08:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:33,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:33,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:33,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:34,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:38,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:38,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:08:38,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:08:38,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:08:38,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:08:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:08:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:08:38,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:38,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:38,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:38,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:38,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:08:38,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:38,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:08:38,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:38,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:38,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:38,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:38,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:38,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:38,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:38,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:08:38,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:08:38,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:38,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:38,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:38,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:38,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:38,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:38,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:38,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:38,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:38,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:38,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:08:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:38,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:38,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:38,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:38,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:38,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:38,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:38,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:38,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:08:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:38,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:38,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:38,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:38,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:08:38,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:08:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 17:08:38,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:08:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:08:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:08:38,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:38,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:38,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:38,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:38,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:08:38,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:08:38,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:08:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:08:38,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:38,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:38,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:08:39,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:08:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:08:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:08:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:08:39,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:08:39,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:39,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:08:39,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:39,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:08:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:08:39,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:08:39,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:08:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:39,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:08:39,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:08:39,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:39,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:39,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:08:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:39,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:08:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:08:39,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:08:39,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:08:39,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:39,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:08:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:39,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:39,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:08:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:39,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:08:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:39,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:08:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:39,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:08:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:08:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:08:39,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:39,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:08:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:08:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:39,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:08:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:08:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:39,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:08:39,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 17:08:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:39,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:39,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:39,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:39,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:39,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:39,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:08:39,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:39,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:08:39,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060196167] [2020-10-12 17:08:39,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:08:39,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 17:08:39,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719661124] [2020-10-12 17:08:39,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 17:08:39,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:08:39,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 17:08:39,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:08:39,420 INFO L87 Difference]: Start difference. First operand 517 states. Second operand 17 states. [2020-10-12 17:08:41,702 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:08:43,539 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:08:45,491 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:08:46,827 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:09:02,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:09:02,588 INFO L93 Difference]: Finished difference Result 1300 states and 2009 transitions. [2020-10-12 17:09:02,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 17:09:02,590 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 154 [2020-10-12 17:09:02,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:09:02,621 INFO L225 Difference]: With dead ends: 1300 [2020-10-12 17:09:02,621 INFO L226 Difference]: Without dead ends: 776 [2020-10-12 17:09:02,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=518, Invalid=1834, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 17:09:02,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-10-12 17:09:02,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 468. [2020-10-12 17:09:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-12 17:09:02,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 650 transitions. [2020-10-12 17:09:02,936 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 650 transitions. Word has length 154 [2020-10-12 17:09:02,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:09:02,937 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 650 transitions. [2020-10-12 17:09:02,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 17:09:02,938 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 650 transitions. [2020-10-12 17:09:02,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 17:09:02,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:09:02,945 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:09:02,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:09:02,946 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:09:02,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:09:02,946 INFO L82 PathProgramCache]: Analyzing trace with hash -2009563339, now seen corresponding path program 1 times [2020-10-12 17:09:02,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:09:02,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807951470] [2020-10-12 17:09:02,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:09:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:03,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:03,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:03,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:03,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:07,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:08,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:08,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-12 17:09:08,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:09:08,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5292 [2020-10-12 17:09:08,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 17:09:08,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:09:08,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-12 17:09:08,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:09,691 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:09:09,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:09:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:09,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:09,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:09,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:09:09,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:09,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-12 17:09:09,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:09,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:09:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:09,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:09:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:09,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:09,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:09,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:09:09,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:09,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:09,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:09,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:09,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:09,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:09:09,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:09,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:09:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:09,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:09,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:09,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:09:09,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:09,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:09,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:09,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:09,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:09,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:09:09,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:09,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:09:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:09,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:09,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:09,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:09:09,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:09,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:09,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:09:09,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:09,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:09:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:09,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:09,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:09,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:10,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:11,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:14,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:14,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:14,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:14,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:09:14,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:09:14,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:09:14,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:14,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:09:14,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:09:14,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:09:14,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:14,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:14,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:14,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:14,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:09:14,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:14,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:09:14,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:14,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:09:15,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:15,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:15,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:15,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:15,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:09:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:15,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:15,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:15,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:09:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:09:15,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:09:15,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:09:15,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:09:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:09:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:09:15,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:09:15,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:09:15,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:09:15,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:09:15,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:09:15,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:09:15,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:09:15,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:09:15,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:09:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:09:15,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:09:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:09:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:09:15,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:09:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:09:15,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:09:15,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:09:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:09:15,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:09:15,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:15,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:15,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:09:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:15,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:15,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:09:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:09:15,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:09:15,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:09:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:09:15,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:09:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:09:15,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:09:15,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:09:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:09:15,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:09:15,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:09:15,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:09:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:15,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:09:15,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:09:15,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:09:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:09:15,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:09:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:09:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:09:15,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:09:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:09:15,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:09:15,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:09:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:09:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:09:15,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 17:09:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:15,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:09:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:15,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 17:09:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:15,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:15,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:09:15,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:15,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 17:09:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:15,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:15,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:09:15,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:09:15,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:09:15,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:09:15,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:09:15,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:09:15,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:09:15,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:09:15,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:09:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:09:15,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807951470] [2020-10-12 17:09:15,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:09:15,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:09:15,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94451565] [2020-10-12 17:09:15,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:09:15,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:09:15,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:09:15,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:09:15,825 INFO L87 Difference]: Start difference. First operand 468 states and 650 transitions. Second operand 31 states. [2020-10-12 17:09:18,509 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-12 17:09:20,357 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:09:22,175 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:09:23,958 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-12 17:09:25,463 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:09:26,917 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-12 17:09:28,874 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:09:32,063 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:09:33,570 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-12 17:09:35,160 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:09:37,752 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:09:40,960 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:09:45,660 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:09:47,358 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:09:49,056 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:09:50,691 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:09:52,290 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:09:53,760 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:09:55,260 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-12 17:09:56,964 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:10:00,649 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:10:02,381 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:10:05,016 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:10:09,008 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-12 17:10:10,468 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:10:11,801 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-12 17:10:16,044 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:10:40,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:10:40,303 INFO L93 Difference]: Finished difference Result 2155 states and 3316 transitions. [2020-10-12 17:10:40,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-10-12 17:10:40,303 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 156 [2020-10-12 17:10:40,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:10:40,320 INFO L225 Difference]: With dead ends: 2155 [2020-10-12 17:10:40,320 INFO L226 Difference]: Without dead ends: 1726 [2020-10-12 17:10:40,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3693 ImplicationChecksByTransitivity, 41.2s TimeCoverageRelationStatistics Valid=1665, Invalid=11445, Unknown=0, NotChecked=0, Total=13110 [2020-10-12 17:10:40,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2020-10-12 17:10:40,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1128. [2020-10-12 17:10:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1128 states. [2020-10-12 17:10:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1608 transitions. [2020-10-12 17:10:40,778 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1608 transitions. Word has length 156 [2020-10-12 17:10:40,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:10:40,779 INFO L479 AbstractCegarLoop]: Abstraction has 1128 states and 1608 transitions. [2020-10-12 17:10:40,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 17:10:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1608 transitions. [2020-10-12 17:10:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 17:10:40,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:10:40,784 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-10-12 17:10:40,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:10:40,785 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:10:40,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:10:40,785 INFO L82 PathProgramCache]: Analyzing trace with hash 2070138559, now seen corresponding path program 1 times [2020-10-12 17:10:40,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:10:40,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991533913] [2020-10-12 17:10:40,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:10:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:40,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:40,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:41,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:41,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:41,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:41,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:43,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:45,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:45,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-12 17:10:45,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:10:45,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 17:10:45,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 17:10:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:10:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-12 17:10:45,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:47,583 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:10:47,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:10:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:47,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:47,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:47,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:10:47,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 17:10:47,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:47,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:10:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:47,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:47,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:47,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:10:47,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:47,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:10:47,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:47,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:47,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:47,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:47,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:47,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:10:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:47,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:47,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:47,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:10:47,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:47,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:10:47,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:47,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:47,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:47,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:47,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:47,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:10:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:47,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:47,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:47,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:10:47,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:47,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:10:47,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:47,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:47,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:47,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:47,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:47,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:10:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:47,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:47,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:47,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:47,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:47,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:10:51,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:10:51,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3886 [2020-10-12 17:10:51,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:10:51,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 17:10:51,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:10:51,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:51,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:51,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:10:51,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:51,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:10:51,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:51,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:51,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:51,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:10:51,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:51,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:10:51,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:51,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:51,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:51,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:51,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:51,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:51,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:51,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:10:51,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:51,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:10:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:51,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:51,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:51,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:10:51,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:51,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:51,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:10:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:51,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:10:51,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:51,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:10:51,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:51,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:51,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:10:51,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:51,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:10:51,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:51,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:51,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:51,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:51,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:10:51,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:51,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:10:51,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:51,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:51,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:10:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:51,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:10:51,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:51,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:10:51,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:51,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:51,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 17:10:51,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:10:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:51,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:10:51,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:10:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-12 17:10:51,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:10:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:10:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:10:51,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:51,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:51,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:51,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:51,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:10:51,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:51,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:10:51,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:51,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:10:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:10:51,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:52,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:52,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:10:52,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:10:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:10:52,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:52,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:10:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:52,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:10:52,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:10:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:10:52,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:52,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:10:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:10:52,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:52,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:10:52,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:10:52,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:52,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:10:52,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:52,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:52,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:52,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:52,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:52,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:52,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:52,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:10:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:52,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:10:52,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:52,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:52,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:10:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:52,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:10:52,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:10:52,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:10:52,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:52,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:10:52,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:52,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 17:10:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:52,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:52,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:10:52,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:10:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:10:52,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:52,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:10:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:10:52,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:10:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:10:52,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:10:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:10:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:10:52,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:52,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 17:10:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:52,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:52,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:52,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:52,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:10:52,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:52,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:52,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:10:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:52,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:52,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:52,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:52,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:10:52,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:52,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 17:10:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:52,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:52,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:52,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:52,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:52,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:10:52,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:52,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:52,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:10:52,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:52,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:10:52,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991533913] [2020-10-12 17:10:52,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:10:52,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-12 17:10:52,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157479808] [2020-10-12 17:10:52,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 17:10:52,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:10:52,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 17:10:52,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2020-10-12 17:10:52,712 INFO L87 Difference]: Start difference. First operand 1128 states and 1608 transitions. Second operand 28 states. [2020-10-12 17:10:56,810 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-12 17:10:58,247 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:11:00,823 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-12 17:11:02,223 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:11:03,591 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:11:04,989 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:11:07,855 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:11:09,332 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:11:13,438 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:11:15,175 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:11:16,793 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:11:18,353 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-12 17:11:20,854 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:11:22,272 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:11:24,515 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:11:26,032 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:11:33,614 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:11:36,707 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:11:46,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:11:46,578 INFO L93 Difference]: Finished difference Result 3090 states and 4863 transitions. [2020-10-12 17:11:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-12 17:11:46,579 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 158 [2020-10-12 17:11:46,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:11:46,594 INFO L225 Difference]: With dead ends: 3090 [2020-10-12 17:11:46,594 INFO L226 Difference]: Without dead ends: 1968 [2020-10-12 17:11:46,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1471 ImplicationChecksByTransitivity, 28.7s TimeCoverageRelationStatistics Valid=1091, Invalid=5715, Unknown=0, NotChecked=0, Total=6806 [2020-10-12 17:11:46,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2020-10-12 17:11:47,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1287. [2020-10-12 17:11:47,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1287 states. [2020-10-12 17:11:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1849 transitions. [2020-10-12 17:11:47,029 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1849 transitions. Word has length 158 [2020-10-12 17:11:47,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:11:47,030 INFO L479 AbstractCegarLoop]: Abstraction has 1287 states and 1849 transitions. [2020-10-12 17:11:47,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 17:11:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1849 transitions. [2020-10-12 17:11:47,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 17:11:47,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:11:47,035 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] [2020-10-12 17:11:47,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:11:47,036 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:11:47,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:11:47,036 INFO L82 PathProgramCache]: Analyzing trace with hash -630116087, now seen corresponding path program 1 times [2020-10-12 17:11:47,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:11:47,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208070548] [2020-10-12 17:11:47,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:11:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:47,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:51,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:52,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:52,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 17:11:52,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:11:52,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-12 17:11:52,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 17:11:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:11:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 17:11:52,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:53,538 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:11:53,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:11:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:53,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:53,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:53,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:11:53,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 17:11:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:53,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:11:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:53,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:53,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:53,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:11:53,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:53,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:53,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:53,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:53,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:53,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:11:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:53,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:53,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:53,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:11:53,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:53,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:53,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:53,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:53,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:53,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:11:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:53,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:53,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:53,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:11:53,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:53,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:53,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:53,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:53,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:53,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:53,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:53,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:11:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:53,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:53,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:53,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:53,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:53,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:53,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:54,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:58,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:58,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 17:11:58,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:11:58,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 17:11:58,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:58,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:11:58,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:58,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:11:58,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:58,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:58,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:58,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:58,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:11:58,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:58,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 17:11:58,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:58,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:11:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:11:58,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:58,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:58,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:58,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:58,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:11:58,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:58,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:11:58,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:58,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:11:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:11:58,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:58,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:58,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:58,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:58,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:58,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:58,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:11:58,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:58,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:11:58,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:58,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:11:58,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:11:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:59,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:59,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:11:59,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:11:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:11:59,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:11:59,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:59,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:11:59,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:11:59,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:59,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:59,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:59,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:59,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:59,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:11:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:59,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:59,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:59,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:59,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:11:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:11:59,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:11:59,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 17:11:59,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:11:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:11:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:11:59,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:11:59,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:59,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:11:59,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:11:59,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:11:59,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:59,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:59,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:11:59,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:11:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:11:59,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:11:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:59,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:59,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:11:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:11:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:11:59,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 17:11:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:11:59,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:11:59,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:59,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:11:59,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:59,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:59,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:59,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:11:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:59,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:59,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:59,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:59,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 17:11:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:59,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:59,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:59,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:11:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:11:59,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:11:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:59,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:59,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:11:59,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:11:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:11:59,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:11:59,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:11:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:11:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:11:59,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:11:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:59,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:59,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:59,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:59,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:59,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 17:11:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:59,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:59,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:59,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:59,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:59,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 17:11:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:59,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:59,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:59,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:59,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:59,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:59,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:59,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 17:11:59,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208070548] [2020-10-12 17:11:59,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:11:59,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-12 17:11:59,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397265569] [2020-10-12 17:11:59,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-12 17:11:59,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:11:59,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-12 17:11:59,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=979, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 17:11:59,691 INFO L87 Difference]: Start difference. First operand 1287 states and 1849 transitions. Second operand 33 states. [2020-10-12 17:12:03,885 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:12:05,330 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:12:06,828 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:12:08,382 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 551