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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:30:48,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:30:48,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:30:48,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:30:48,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:30:48,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:30:48,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:30:48,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:30:48,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:30:48,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:30:48,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:30:48,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:30:48,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:30:48,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:30:48,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:30:48,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:30:48,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:30:48,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:30:48,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:30:48,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:30:48,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:30:48,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:30:48,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:30:48,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:30:48,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:30:48,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:30:48,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:30:48,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:30:48,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:30:48,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:30:48,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:30:48,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:30:48,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:30:48,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:30:48,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:30:48,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:30:48,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:30:48,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:30:48,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:30:48,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:30:48,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:30:48,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:30:48,650 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:30:48,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:30:48,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:30:48,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:30:48,652 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:30:48,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:30:48,652 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:30:48,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:30:48,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:30:48,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:30:48,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:30:48,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:30:48,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:30:48,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:30:48,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:30:48,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:30:48,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:30:48,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:30:48,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:30:48,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:30:48,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:30:48,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:30:48,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:30:48,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:30:48,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:30:48,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:30:48,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:30:48,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:30:48,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:30:48,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:30:48,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:30:48,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:30:48,939 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:30:48,940 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:30:48,940 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c [2019-10-14 23:30:49,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437986ea1/c8fe7ebed9764c8d92bea68885cf07a9/FLAG57bbdef3d [2019-10-14 23:30:49,697 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:30:49,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c [2019-10-14 23:30:49,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437986ea1/c8fe7ebed9764c8d92bea68885cf07a9/FLAG57bbdef3d [2019-10-14 23:30:49,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437986ea1/c8fe7ebed9764c8d92bea68885cf07a9 [2019-10-14 23:30:49,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:30:49,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:30:49,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:30:49,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:30:49,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:30:49,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:49" (1/1) ... [2019-10-14 23:30:49,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2feeb304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:49, skipping insertion in model container [2019-10-14 23:30:49,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:49" (1/1) ... [2019-10-14 23:30:49,896 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:30:49,979 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:30:50,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:30:50,755 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:30:50,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:30:51,083 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:30:51,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:51 WrapperNode [2019-10-14 23:30:51,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:30:51,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:30:51,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:30:51,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:30:51,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:51" (1/1) ... [2019-10-14 23:30:51,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:51" (1/1) ... [2019-10-14 23:30:51,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:51" (1/1) ... [2019-10-14 23:30:51,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:51" (1/1) ... [2019-10-14 23:30:51,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:51" (1/1) ... [2019-10-14 23:30:51,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:51" (1/1) ... [2019-10-14 23:30:51,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:51" (1/1) ... [2019-10-14 23:30:51,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:30:51,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:30:51,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:30:51,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:30:51,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-14 23:30:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:30:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:30:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:30:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:30:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:30:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:30:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:30:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:30:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:30:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:30:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:30:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-14 23:30:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-14 23:30:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:30:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:30:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-14 23:30:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:30:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:30:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:30:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:30:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:30:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:30:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:30:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:30:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:30:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-14 23:30:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:30:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-14 23:30:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:30:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-14 23:30:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:30:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:30:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:30:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-14 23:30:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-14 23:30:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:30:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:30:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:30:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:30:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:30:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:30:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:30:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:30:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:30:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:30:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:30:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:30:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:30:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:30:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:30:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:30:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:30:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:30:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:30:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:30:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:30:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:30:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:30:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:30:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:30:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:30:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:30:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:30:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:30:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:30:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:30:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:30:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:30:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:30:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:30:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:30:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:30:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:30:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:30:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:30:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:30:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:30:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:30:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:30:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:30:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:30:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:30:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:30:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:30:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:30:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:30:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:30:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:30:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:30:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:30:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:30:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:30:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:30:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:30:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:30:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:30:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:30:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:30:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:30:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:30:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:30:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:30:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:30:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:30:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:30:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-14 23:30:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:30:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:30:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:30:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:30:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:30:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:30:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:30:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:30:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:30:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:30:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:30:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:30:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:30:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:30:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:30:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:30:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:30:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:30:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:30:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:30:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:30:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:30:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:30:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:30:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:30:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:30:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:30:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:30:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:30:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:30:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:30:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:30:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:30:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:30:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:30:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:30:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:30:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:30:51,463 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:30:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:30:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:30:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:30:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:30:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:30:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:30:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:30:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:30:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:30:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:30:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:30:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:30:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:30:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:30:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-14 23:30:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-14 23:30:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-14 23:30:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-14 23:30:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-14 23:30:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-14 23:30:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:30:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:30:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:30:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:30:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:30:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:30:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-14 23:30:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-14 23:30:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:30:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:30:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:30:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:30:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:30:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:30:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:30:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:30:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:30:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:30:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:30:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:30:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:30:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:30:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:30:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:30:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:30:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-14 23:30:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:30:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:30:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:30:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:30:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:30:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:30:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:30:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:30:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:30:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:30:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:30:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:30:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:30:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:30:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:30:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:30:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:30:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:30:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:30:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:30:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:30:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:30:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:30:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:30:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:30:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:30:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:30:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:30:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:30:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:30:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:30:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:30:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:30:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:30:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:30:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:30:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:30:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:30:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:30:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:30:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:30:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:30:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:30:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:30:53,653 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:30:53,653 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:30:53,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:53 BoogieIcfgContainer [2019-10-14 23:30:53,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:30:53,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:30:53,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:30:53,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:30:53,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:30:49" (1/3) ... [2019-10-14 23:30:53,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bf3f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:53, skipping insertion in model container [2019-10-14 23:30:53,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:51" (2/3) ... [2019-10-14 23:30:53,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bf3f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:53, skipping insertion in model container [2019-10-14 23:30:53,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:53" (3/3) ... [2019-10-14 23:30:53,664 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product14.cil.c [2019-10-14 23:30:53,675 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:30:53,685 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:30:53,697 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:30:53,742 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:30:53,742 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:30:53,742 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:30:53,742 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:30:53,742 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:30:53,743 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:30:53,743 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:30:53,743 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:30:53,784 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states. [2019-10-14 23:30:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-14 23:30:53,817 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:30:53,818 INFO L380 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] [2019-10-14 23:30:53,822 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:30:53,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:30:53,828 INFO L82 PathProgramCache]: Analyzing trace with hash 601456659, now seen corresponding path program 1 times [2019-10-14 23:30:53,839 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:30:53,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210597898] [2019-10-14 23:30:53,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:53,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:53,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:30:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,312 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 562 [2019-10-14 23:30:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:30:56,677 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210597898] [2019-10-14 23:30:56,678 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:30:56,678 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:30:56,678 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524338713] [2019-10-14 23:30:56,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:30:56,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:30:56,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:30:56,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:30:56,700 INFO L87 Difference]: Start difference. First operand 521 states. Second operand 10 states. [2019-10-14 23:31:08,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:31:08,491 INFO L93 Difference]: Finished difference Result 1039 states and 1579 transitions. [2019-10-14 23:31:08,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-14 23:31:08,493 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2019-10-14 23:31:08,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:31:08,519 INFO L225 Difference]: With dead ends: 1039 [2019-10-14 23:31:08,519 INFO L226 Difference]: Without dead ends: 746 [2019-10-14 23:31:08,527 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-10-14 23:31:08,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2019-10-14 23:31:08,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 470. [2019-10-14 23:31:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-14 23:31:08,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 651 transitions. [2019-10-14 23:31:08,799 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 651 transitions. Word has length 154 [2019-10-14 23:31:08,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:31:08,800 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 651 transitions. [2019-10-14 23:31:08,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:31:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 651 transitions. [2019-10-14 23:31:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-14 23:31:08,806 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:31:08,806 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:31:08,807 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:31:08,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:31:08,807 INFO L82 PathProgramCache]: Analyzing trace with hash -855609359, now seen corresponding path program 1 times [2019-10-14 23:31:08,807 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:31:08,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538739749] [2019-10-14 23:31:08,808 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:08,808 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:08,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:31:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,611 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 562 [2019-10-14 23:31:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:31:10,964 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538739749] [2019-10-14 23:31:10,964 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:31:10,964 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:31:10,964 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351630382] [2019-10-14 23:31:10,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:31:10,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:31:10,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:31:10,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:31:10,968 INFO L87 Difference]: Start difference. First operand 470 states and 651 transitions. Second operand 11 states. [2019-10-14 23:31:15,109 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 565 [2019-10-14 23:31:26,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:31:26,821 INFO L93 Difference]: Finished difference Result 954 states and 1406 transitions. [2019-10-14 23:31:26,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:31:26,821 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2019-10-14 23:31:26,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:31:26,834 INFO L225 Difference]: With dead ends: 954 [2019-10-14 23:31:26,835 INFO L226 Difference]: Without dead ends: 749 [2019-10-14 23:31:26,843 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2019-10-14 23:31:26,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2019-10-14 23:31:27,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 472. [2019-10-14 23:31:27,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2019-10-14 23:31:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 653 transitions. [2019-10-14 23:31:27,045 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 653 transitions. Word has length 155 [2019-10-14 23:31:27,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:31:27,045 INFO L462 AbstractCegarLoop]: Abstraction has 472 states and 653 transitions. [2019-10-14 23:31:27,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:31:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 653 transitions. [2019-10-14 23:31:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-14 23:31:27,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:31:27,049 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:31:27,049 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:31:27,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:31:27,050 INFO L82 PathProgramCache]: Analyzing trace with hash 85272997, now seen corresponding path program 1 times [2019-10-14 23:31:27,050 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:31:27,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875401260] [2019-10-14 23:31:27,051 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:27,051 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:31:27,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:31:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,794 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 562 [2019-10-14 23:31:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:31:29,164 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:31:29,164 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875401260] [2019-10-14 23:31:29,165 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:31:29,165 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:31:29,165 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890757979] [2019-10-14 23:31:29,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:31:29,167 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:31:29,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:31:29,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:31:29,168 INFO L87 Difference]: Start difference. First operand 472 states and 653 transitions. Second operand 11 states.