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_spec11_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:25:21,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:25:21,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:25:22,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:25:22,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:25:22,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:25:22,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:25:22,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:25:22,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:25:22,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:25:22,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:25:22,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:25:22,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:25:22,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:25:22,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:25:22,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:25:22,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:25:22,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:25:22,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:25:22,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:25:22,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:25:22,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:25:22,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:25:22,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:25:22,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:25:22,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:25:22,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:25:22,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:25:22,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:25:22,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:25:22,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:25:22,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:25:22,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:25:22,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:25:22,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:25:22,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:25:22,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:25:22,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:25:22,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:25:22,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:25:22,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:25:22,044 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 [2019-10-13 19:25:22,059 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:25:22,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:25:22,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:25:22,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:25:22,061 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:25:22,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:25:22,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:25:22,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:25:22,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:25:22,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:25:22,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:25:22,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:25:22,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:25:22,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:25:22,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:25:22,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:25:22,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:25:22,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:25:22,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:25:22,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:25:22,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:25:22,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:25:22,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:25:22,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:25:22,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:25:22,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:25:22,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:25:22,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:25:22,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:25:22,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:25:22,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:25:22,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:25:22,361 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:25:22,362 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:25:22,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2019-10-13 19:25:22,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69508157e/2e26c50febb943e89679585253f06d91/FLAG7170b845a [2019-10-13 19:25:23,112 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:25:23,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2019-10-13 19:25:23,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69508157e/2e26c50febb943e89679585253f06d91/FLAG7170b845a [2019-10-13 19:25:23,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69508157e/2e26c50febb943e89679585253f06d91 [2019-10-13 19:25:23,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:25:23,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:25:23,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:25:23,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:25:23,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:25:23,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:25:23" (1/1) ... [2019-10-13 19:25:23,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7189696a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:23, skipping insertion in model container [2019-10-13 19:25:23,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:25:23" (1/1) ... [2019-10-13 19:25:23,311 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:25:23,378 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:25:23,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:25:24,001 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:25:24,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:25:24,211 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:25:24,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:24 WrapperNode [2019-10-13 19:25:24,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:25:24,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:25:24,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:25:24,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:25:24,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:24" (1/1) ... [2019-10-13 19:25:24,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:24" (1/1) ... [2019-10-13 19:25:24,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:24" (1/1) ... [2019-10-13 19:25:24,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:24" (1/1) ... [2019-10-13 19:25:24,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:24" (1/1) ... [2019-10-13 19:25:24,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:24" (1/1) ... [2019-10-13 19:25:24,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:24" (1/1) ... [2019-10-13 19:25:24,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:25:24,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:25:24,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:25:24,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:25:24,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:24" (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 [2019-10-13 19:25:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:25:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:25:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:25:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 19:25:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 19:25:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 19:25:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 19:25:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 19:25:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 19:25:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 19:25:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 19:25:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 19:25:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 19:25:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 19:25:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 19:25:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 19:25:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 19:25:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 19:25:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 19:25:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 19:25:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 19:25:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 19:25:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 19:25:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 19:25:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 19:25:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 19:25:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 19:25:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 19:25:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 19:25:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 19:25:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 19:25:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 19:25:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 19:25:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 19:25:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 19:25:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 19:25:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 19:25:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 19:25:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 19:25:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 19:25:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 19:25:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 19:25:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 19:25:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 19:25:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 19:25:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 19:25:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 19:25:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 19:25:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 19:25:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 19:25:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 19:25:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 19:25:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 19:25:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 19:25:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 19:25:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 19:25:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 19:25:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-10-13 19:25:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-13 19:25:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 19:25:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 19:25:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 19:25:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 19:25:24,488 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 19:25:24,488 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 19:25:24,488 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 19:25:24,488 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 19:25:24,488 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 19:25:24,489 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:25:24,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:25:24,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:25:24,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:25:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:25:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:25:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:25:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 19:25:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:25:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 19:25:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 19:25:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 19:25:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 19:25:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 19:25:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:25:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:25:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 19:25:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 19:25:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 19:25:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 19:25:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 19:25:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 19:25:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:25:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:25:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:25:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:25:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:25:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:25:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 19:25:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 19:25:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 19:25:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 19:25:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 19:25:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 19:25:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 19:25:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 19:25:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 19:25:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 19:25:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 19:25:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 19:25:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 19:25:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 19:25:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 19:25:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 19:25:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 19:25:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 19:25:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 19:25:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 19:25:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 19:25:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:25:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 19:25:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:25:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 19:25:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 19:25:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 19:25:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 19:25:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 19:25:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 19:25:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 19:25:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 19:25:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 19:25:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 19:25:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 19:25:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 19:25:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 19:25:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 19:25:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 19:25:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 19:25:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 19:25:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 19:25:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 19:25:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 19:25:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 19:25:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 19:25:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 19:25:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 19:25:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 19:25:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 19:25:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 19:25:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 19:25:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 19:25:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 19:25:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 19:25:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 19:25:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 19:25:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 19:25:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 19:25:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 19:25:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 19:25:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 19:25:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 19:25:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 19:25:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 19:25:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 19:25:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 19:25:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 19:25:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-10-13 19:25:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-13 19:25:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 19:25:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 19:25:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 19:25:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 19:25:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:25:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:25:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:25:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:25:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:25:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:25:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:25:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:25:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:25:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:25:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:25:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:25:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:25:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:25:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:25:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:25:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:25:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:25:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 19:25:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:25:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:25:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:25:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 19:25:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 19:25:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 19:25:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 19:25:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:25:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:25:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 19:25:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:25:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:25:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:25:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:25:26,249 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:25:26,249 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 19:25:26,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:25:26 BoogieIcfgContainer [2019-10-13 19:25:26,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:25:26,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:25:26,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:25:26,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:25:26,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:25:23" (1/3) ... [2019-10-13 19:25:26,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d9ab97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:25:26, skipping insertion in model container [2019-10-13 19:25:26,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:25:24" (2/3) ... [2019-10-13 19:25:26,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d9ab97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:25:26, skipping insertion in model container [2019-10-13 19:25:26,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:25:26" (3/3) ... [2019-10-13 19:25:26,262 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product10.cil.c [2019-10-13 19:25:26,272 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:25:26,283 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:25:26,295 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:25:26,345 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:25:26,345 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:25:26,345 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:25:26,345 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:25:26,346 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:25:26,346 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:25:26,346 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:25:26,346 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:25:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states. [2019-10-13 19:25:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-13 19:25:26,400 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:25:26,401 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:25:26,404 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:25:26,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:25:26,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1890190681, now seen corresponding path program 1 times [2019-10-13 19:25:26,419 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:25:26,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858863054] [2019-10-13 19:25:26,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:26,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:26,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:25:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,570 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 505 [2019-10-13 19:25:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:28,851 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 19:25:28,852 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858863054] [2019-10-13 19:25:28,852 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:25:28,853 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:25:28,853 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972646397] [2019-10-13 19:25:28,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:25:28,859 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:25:28,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:25:28,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:25:28,876 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 8 states. [2019-10-13 19:25:34,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:25:34,358 INFO L93 Difference]: Finished difference Result 607 states and 843 transitions. [2019-10-13 19:25:34,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 19:25:34,360 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 127 [2019-10-13 19:25:34,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:25:34,378 INFO L225 Difference]: With dead ends: 607 [2019-10-13 19:25:34,378 INFO L226 Difference]: Without dead ends: 395 [2019-10-13 19:25:34,384 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2019-10-13 19:25:34,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-13 19:25:34,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 247. [2019-10-13 19:25:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2019-10-13 19:25:34,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 309 transitions. [2019-10-13 19:25:34,533 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 309 transitions. Word has length 127 [2019-10-13 19:25:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:25:34,534 INFO L462 AbstractCegarLoop]: Abstraction has 247 states and 309 transitions. [2019-10-13 19:25:34,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:25:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 309 transitions. [2019-10-13 19:25:34,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-13 19:25:34,538 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:25:34,538 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:25:34,539 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:25:34,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:25:34,539 INFO L82 PathProgramCache]: Analyzing trace with hash 853966030, now seen corresponding path program 1 times [2019-10-13 19:25:34,539 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:25:34,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112944482] [2019-10-13 19:25:34,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:34,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:34,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:25:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,067 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 505 [2019-10-13 19:25:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 19:25:36,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112944482] [2019-10-13 19:25:36,304 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:25:36,304 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:25:36,304 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769391046] [2019-10-13 19:25:36,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:25:36,316 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:25:36,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:25:36,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:25:36,322 INFO L87 Difference]: Start difference. First operand 247 states and 309 transitions. Second operand 9 states. [2019-10-13 19:25:38,965 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 508 [2019-10-13 19:25:44,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:25:44,641 INFO L93 Difference]: Finished difference Result 550 states and 720 transitions. [2019-10-13 19:25:44,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:25:44,641 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2019-10-13 19:25:44,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:25:44,646 INFO L225 Difference]: With dead ends: 550 [2019-10-13 19:25:44,647 INFO L226 Difference]: Without dead ends: 398 [2019-10-13 19:25:44,649 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2019-10-13 19:25:44,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-10-13 19:25:44,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 249. [2019-10-13 19:25:44,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-10-13 19:25:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 311 transitions. [2019-10-13 19:25:44,778 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 311 transitions. Word has length 128 [2019-10-13 19:25:44,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:25:44,778 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 311 transitions. [2019-10-13 19:25:44,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:25:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 311 transitions. [2019-10-13 19:25:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 19:25:44,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:25:44,782 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:25:44,782 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:25:44,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:25:44,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1532370260, now seen corresponding path program 1 times [2019-10-13 19:25:44,783 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:25:44,783 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039327939] [2019-10-13 19:25:44,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:44,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:25:44,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:25:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,224 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 505 [2019-10-13 19:25:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:25:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:25:46,556 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039327939] [2019-10-13 19:25:46,556 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:25:46,556 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:25:46,556 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227379693] [2019-10-13 19:25:46,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:25:46,557 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:25:46,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:25:46,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:25:46,558 INFO L87 Difference]: Start difference. First operand 249 states and 311 transitions. Second operand 12 states. [2019-10-13 19:25:48,177 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 507 [2019-10-13 19:25:54,715 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 509 [2019-10-13 19:25:56,081 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 509 [2019-10-13 19:25:57,536 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 509 [2019-10-13 19:26:00,546 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 507 [2019-10-13 19:26:02,051 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 508