/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:45:21,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:45:21,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:45:21,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:45:21,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:45:21,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:45:21,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:45:21,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:45:21,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:45:21,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:45:21,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:45:21,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:45:21,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:45:21,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:45:21,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:45:21,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:45:21,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:45:21,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:45:21,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:45:21,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:45:21,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:45:21,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:45:21,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:45:21,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:45:21,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:45:21,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:45:21,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:45:21,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:45:21,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:45:21,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:45:21,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:45:21,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:45:21,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:45:21,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:45:21,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:45:21,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:45:21,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:45:21,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:45:21,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:45:21,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:45:21,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:45:21,690 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 [2019-11-06 21:45:21,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:45:21,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:45:21,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:45:21,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:45:21,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:45:21,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:45:21,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:45:21,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:45:21,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:45:21,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:45:21,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:45:21,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:45:21,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:45:21,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:45:21,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:45:21,708 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:45:21,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:45:21,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:45:21,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:45:21,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:45:21,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:45:21,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:45:21,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:45:21,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:45:21,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:45:21,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:45:21,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:45:21,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:45:21,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:45:22,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:45:22,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:45:22,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:45:22,044 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:45:22,045 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:45:22,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product23.cil.c [2019-11-06 21:45:22,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ad8aa3b/ccd991ec11d5498c9f3f0d4c595adefd/FLAG9ec98458d [2019-11-06 21:45:22,722 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:45:22,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product23.cil.c [2019-11-06 21:45:22,743 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ad8aa3b/ccd991ec11d5498c9f3f0d4c595adefd/FLAG9ec98458d [2019-11-06 21:45:22,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ad8aa3b/ccd991ec11d5498c9f3f0d4c595adefd [2019-11-06 21:45:22,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:45:22,943 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:45:22,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:45:22,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:45:22,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:45:22,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:45:22" (1/1) ... [2019-11-06 21:45:22,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245ee514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:22, skipping insertion in model container [2019-11-06 21:45:22,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:45:22" (1/1) ... [2019-11-06 21:45:22,960 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:45:23,040 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:45:23,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:45:23,825 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:45:23,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:45:24,042 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:45:24,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24 WrapperNode [2019-11-06 21:45:24,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:45:24,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:45:24,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:45:24,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:45:24,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:45:24,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:45:24,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:45:24,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:45:24,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (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 [2019-11-06 21:45:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:45:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:45:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:45:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:45:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:45:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:45:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:45:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:45:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:45:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:45:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:45:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:45:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:45:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:45:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:45:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:45:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:45:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:45:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:45:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:45:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:45:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:45:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:45:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:45:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:45:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:45:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:45:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:45:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:45:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:45:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-11-06 21:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-06 21:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-06 21:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-06 21:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-11-06 21:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-06 21:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-06 21:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-06 21:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-06 21:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:45:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:45:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:45:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:45:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:45:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:45:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-06 21:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:45:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:45:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:45:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:45:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:45:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:45:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:45:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:45:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:45:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:45:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:45:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:45:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:45:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:45:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:45:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:45:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:45:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:45:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:45:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:45:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:45:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:45:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:45:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:45:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:45:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:45:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:45:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:45:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:45:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:45:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:45:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:45:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:45:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:45:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:45:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:45:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:45:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:45:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:45:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:45:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:45:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:45:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:45:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:45:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:45:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-11-06 21:45:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:45:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:45:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:45:26,728 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:45:26,728 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:45:26,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:45:26 BoogieIcfgContainer [2019-11-06 21:45:26,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:45:26,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:45:26,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:45:26,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:45:26,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:45:22" (1/3) ... [2019-11-06 21:45:26,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133a637a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:45:26, skipping insertion in model container [2019-11-06 21:45:26,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (2/3) ... [2019-11-06 21:45:26,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133a637a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:45:26, skipping insertion in model container [2019-11-06 21:45:26,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:45:26" (3/3) ... [2019-11-06 21:45:26,741 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product23.cil.c [2019-11-06 21:45:26,753 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:45:26,764 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:45:26,777 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:45:26,816 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:45:26,816 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:45:26,816 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:45:26,816 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:45:26,816 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:45:26,816 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:45:26,816 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:45:26,817 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:45:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states. [2019-11-06 21:45:26,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-06 21:45:26,892 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:45:26,894 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-06 21:45:26,898 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:45:26,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:45:26,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1052555921, now seen corresponding path program 1 times [2019-11-06 21:45:26,919 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:45:26,919 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40205445] [2019-11-06 21:45:26,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:45:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,398 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 553 [2019-11-06 21:45:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-06 21:45:29,845 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40205445] [2019-11-06 21:45:29,846 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:45:29,846 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:45:29,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158045481] [2019-11-06 21:45:29,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:45:29,853 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:45:29,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:45:29,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:45:29,869 INFO L87 Difference]: Start difference. First operand 575 states. Second operand 11 states. [2019-11-06 21:45:51,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:45:51,138 INFO L93 Difference]: Finished difference Result 1318 states and 2058 transitions. [2019-11-06 21:45:51,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-11-06 21:45:51,141 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 157 [2019-11-06 21:45:51,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:45:51,171 INFO L225 Difference]: With dead ends: 1318 [2019-11-06 21:45:51,171 INFO L226 Difference]: Without dead ends: 906 [2019-11-06 21:45:51,181 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-11-06 21:45:51,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2019-11-06 21:45:51,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 524. [2019-11-06 21:45:51,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2019-11-06 21:45:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 716 transitions. [2019-11-06 21:45:51,553 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 716 transitions. Word has length 157 [2019-11-06 21:45:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:45:51,554 INFO L462 AbstractCegarLoop]: Abstraction has 524 states and 716 transitions. [2019-11-06 21:45:51,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:45:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 716 transitions. [2019-11-06 21:45:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-06 21:45:51,567 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:45:51,567 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-06 21:45:51,567 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:45:51,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:45:51,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1340998615, now seen corresponding path program 1 times [2019-11-06 21:45:51,568 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:45:51,568 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704721527] [2019-11-06 21:45:51,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:45:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,211 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 553 [2019-11-06 21:45:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-06 21:45:53,628 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704721527] [2019-11-06 21:45:53,628 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:45:53,628 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:45:53,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568621128] [2019-11-06 21:45:53,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:45:53,650 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:45:53,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:45:53,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:45:53,651 INFO L87 Difference]: Start difference. First operand 524 states and 716 transitions. Second operand 12 states. [2019-11-06 21:45:58,856 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 556