/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_spec11_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:38:42,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:38:42,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:38:42,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:38:42,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:38:42,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:38:42,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:38:42,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:38:42,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:38:42,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:38:42,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:38:42,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:38:42,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:38:42,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:38:42,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:38:42,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:38:42,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:38:42,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:38:42,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:38:42,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:38:42,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:38:42,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:38:42,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:38:42,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:38:42,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:38:42,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:38:42,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:38:42,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:38:42,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:38:42,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:38:42,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:38:42,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:38:42,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:38:42,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:38:42,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:38:42,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:38:42,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:38:42,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:38:42,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:38:42,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:38:42,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:38:42,373 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 21:38:42,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:38:42,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:38:42,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:38:42,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:38:42,389 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:38:42,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:38:42,389 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:38:42,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:38:42,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:38:42,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:38:42,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:38:42,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:38:42,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:38:42,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:38:42,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:38:42,391 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:38:42,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:38:42,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:38:42,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:38:42,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:38:42,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:38:42,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:38:42,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:38:42,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:38:42,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:38:42,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:38:42,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:38:42,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:38:42,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:38:42,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:38:42,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:38:42,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:38:42,692 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:38:42,692 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:38:42,694 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2019-11-06 21:38:42,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56048038/c41c5d022f2b4040b031e72ac0aed560/FLAG02789c621 [2019-11-06 21:38:43,407 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:38:43,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2019-11-06 21:38:43,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56048038/c41c5d022f2b4040b031e72ac0aed560/FLAG02789c621 [2019-11-06 21:38:43,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56048038/c41c5d022f2b4040b031e72ac0aed560 [2019-11-06 21:38:43,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:38:43,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:38:43,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:43,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:38:43,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:38:43,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:43" (1/1) ... [2019-11-06 21:38:43,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74126693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:43, skipping insertion in model container [2019-11-06 21:38:43,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:43" (1/1) ... [2019-11-06 21:38:43,699 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:38:43,780 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:38:44,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:44,584 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:38:44,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:44,743 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:38:44,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:44 WrapperNode [2019-11-06 21:38:44,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:44,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:38:44,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:38:44,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:38:44,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:44" (1/1) ... [2019-11-06 21:38:44,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:44" (1/1) ... [2019-11-06 21:38:44,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:44" (1/1) ... [2019-11-06 21:38:44,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:44" (1/1) ... [2019-11-06 21:38:44,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:44" (1/1) ... [2019-11-06 21:38:44,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:44" (1/1) ... [2019-11-06 21:38:44,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:44" (1/1) ... [2019-11-06 21:38:44,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:38:44,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:38:44,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:38:44,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:38:44,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:44" (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 21:38:44,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:38:45,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:38:45,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:45,000 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:38:45,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:38:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:38:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:38:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:38:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:38:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:38:45,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:38:45,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:38:45,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:38:45,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:38:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:38:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:38:45,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:38:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:38:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:38:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:38:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:38:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:38:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:38:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:38:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:38:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:38:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:38:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:38:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:38:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:38:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:38:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:38:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:38:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:38:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:38:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:38:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:38:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:38:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:38:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:38:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:38:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:38:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:38:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:38:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:38:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:38:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:38:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:38:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:38:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:38:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:38:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:38:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:38:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:38:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:38:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:38:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:38:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-11-06 21:38:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-11-06 21:38:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:38:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:38:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:38:45,018 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:38:45,018 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:38:45,018 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:38:45,018 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:38:45,019 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:38:45,019 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-06 21:38:45,019 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:38:45,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:45,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:45,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:45,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:38:45,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:38:45,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:38:45,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-06 21:38:45,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:38:45,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:38:45,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:38:45,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:38:45,022 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:38:45,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:38:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:38:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:38:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:38:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-06 21:38:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:38:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:38:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:38:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:38:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:38:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:38:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:38:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:38:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:38:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:38:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:38:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:38:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:38:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:38:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:38:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:38:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:38:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:38:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:38:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:38:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:38:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:38:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:38:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:38:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:38:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:38:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:38:45,031 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:38:45,031 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:38:45,031 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:38:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:38:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:38:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:38:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:38:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:38:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:38:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:38:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:38:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:38:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:38:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:38:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:38:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:38:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:38:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:38:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:38:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:38:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:38:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:38:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:38:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:38:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:38:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:38:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:38:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:38:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:38:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:38:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:38:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:38:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:38:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:38:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:38:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:38:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:38:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:38:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:38:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:38:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:38:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:38:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:38:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:38:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:38:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:38:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:38:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:38:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:38:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:38:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-06 21:38:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-11-06 21:38:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-11-06 21:38:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-06 21:38:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:38:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-06 21:38:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:38:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:38:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:38:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:38:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:38:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:38:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:38:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:38:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:38:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:38:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:38:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:38:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:38:46,893 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:38:46,893 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:38:46,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:46 BoogieIcfgContainer [2019-11-06 21:38:46,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:38:46,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:38:46,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:38:46,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:38:46,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:38:43" (1/3) ... [2019-11-06 21:38:46,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281dbed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:46, skipping insertion in model container [2019-11-06 21:38:46,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:44" (2/3) ... [2019-11-06 21:38:46,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281dbed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:46, skipping insertion in model container [2019-11-06 21:38:46,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:46" (3/3) ... [2019-11-06 21:38:46,903 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product10.cil.c [2019-11-06 21:38:46,913 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:38:46,922 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:38:46,933 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:38:46,966 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:38:46,966 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:38:46,967 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:38:46,967 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:38:46,967 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:38:46,967 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:38:46,967 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:38:46,967 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:38:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states. [2019-11-06 21:38:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-06 21:38:47,020 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:47,022 INFO L410 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] [2019-11-06 21:38:47,023 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:47,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:47,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1890190681, now seen corresponding path program 1 times [2019-11-06 21:38:47,039 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:47,039 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680278866] [2019-11-06 21:38:47,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,032 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 505 [2019-11-06 21:38:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-06 21:38:49,323 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680278866] [2019-11-06 21:38:49,324 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:49,324 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 21:38:49,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679171838] [2019-11-06 21:38:49,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 21:38:49,330 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:49,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 21:38:49,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-06 21:38:49,347 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 8 states. [2019-11-06 21:38:54,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:38:54,685 INFO L93 Difference]: Finished difference Result 607 states and 843 transitions. [2019-11-06 21:38:54,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-06 21:38:54,690 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 127 [2019-11-06 21:38:54,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:38:54,709 INFO L225 Difference]: With dead ends: 607 [2019-11-06 21:38:54,709 INFO L226 Difference]: Without dead ends: 395 [2019-11-06 21:38:54,715 INFO L630 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 [2019-11-06 21:38:54,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-11-06 21:38:54,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 247. [2019-11-06 21:38:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2019-11-06 21:38:54,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 309 transitions. [2019-11-06 21:38:54,861 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 309 transitions. Word has length 127 [2019-11-06 21:38:54,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:38:54,861 INFO L462 AbstractCegarLoop]: Abstraction has 247 states and 309 transitions. [2019-11-06 21:38:54,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 21:38:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 309 transitions. [2019-11-06 21:38:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-06 21:38:54,866 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:54,866 INFO L410 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] [2019-11-06 21:38:54,867 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:54,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:54,867 INFO L82 PathProgramCache]: Analyzing trace with hash 853966030, now seen corresponding path program 1 times [2019-11-06 21:38:54,867 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:54,867 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46002477] [2019-11-06 21:38:54,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,289 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 505 [2019-11-06 21:38:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:56,518 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-06 21:38:56,518 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46002477] [2019-11-06 21:38:56,519 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:56,519 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:38:56,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273284466] [2019-11-06 21:38:56,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:38:56,521 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:56,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:38:56,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:38:56,522 INFO L87 Difference]: Start difference. First operand 247 states and 309 transitions. Second operand 9 states. [2019-11-06 21:38:58,952 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 508 [2019-11-06 21:39:04,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:39:04,423 INFO L93 Difference]: Finished difference Result 550 states and 720 transitions. [2019-11-06 21:39:04,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 21:39:04,424 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2019-11-06 21:39:04,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:39:04,429 INFO L225 Difference]: With dead ends: 550 [2019-11-06 21:39:04,429 INFO L226 Difference]: Without dead ends: 398 [2019-11-06 21:39:04,432 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:39:04,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-11-06 21:39:04,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 249. [2019-11-06 21:39:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-11-06 21:39:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 311 transitions. [2019-11-06 21:39:04,540 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 311 transitions. Word has length 128 [2019-11-06 21:39:04,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:39:04,541 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 311 transitions. [2019-11-06 21:39:04,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:39:04,541 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 311 transitions. [2019-11-06 21:39:04,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-06 21:39:04,544 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:39:04,544 INFO L410 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] [2019-11-06 21:39:04,545 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:39:04,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:39:04,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1532370260, now seen corresponding path program 1 times [2019-11-06 21:39:04,545 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:39:04,546 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108913544] [2019-11-06 21:39:04,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:39:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,089 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 505 [2019-11-06 21:39:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:39:06,352 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108913544] [2019-11-06 21:39:06,352 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:39:06,352 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:39:06,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315308476] [2019-11-06 21:39:06,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:39:06,355 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:39:06,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:39:06,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:39:06,356 INFO L87 Difference]: Start difference. First operand 249 states and 311 transitions. Second operand 12 states. [2019-11-06 21:39:07,924 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 507 [2019-11-06 21:39:14,218 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 509 [2019-11-06 21:39:15,608 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 509 [2019-11-06 21:39:16,947 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 509 [2019-11-06 21:39:19,720 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 507 [2019-11-06 21:39:21,165 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 508