/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_spec0_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:37:59,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:37:59,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:37:59,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:37:59,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:37:59,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:37:59,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:37:59,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:37:59,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:37:59,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:37:59,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:37:59,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:37:59,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:37:59,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:37:59,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:37:59,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:37:59,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:37:59,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:37:59,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:37:59,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:37:59,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:37:59,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:37:59,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:37:59,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:37:59,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:37:59,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:37:59,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:37:59,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:37:59,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:37:59,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:37:59,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:37:59,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:37:59,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:37:59,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:37:59,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:37:59,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:37:59,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:37:59,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:37:59,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:37:59,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:37:59,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:37:59,185 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 21:37:59,199 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:37:59,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:37:59,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:37:59,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:37:59,201 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:37:59,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:37:59,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:37:59,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:37:59,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:37:59,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:37:59,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:37:59,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:37:59,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:37:59,202 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:37:59,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:37:59,203 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:37:59,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:37:59,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:37:59,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:37:59,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:37:59,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:37:59,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:37:59,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:37:59,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:37:59,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:37:59,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:37:59,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:37:59,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:37:59,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:37:59,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:37:59,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:37:59,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:37:59,527 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:37:59,527 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:37:59,528 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product36.cil.c [2019-11-06 21:37:59,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1702e8d07/71f86685b4e84304a19fe8b703993b90/FLAG96f166eca [2019-11-06 21:38:00,227 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:38:00,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product36.cil.c [2019-11-06 21:38:00,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1702e8d07/71f86685b4e84304a19fe8b703993b90/FLAG96f166eca [2019-11-06 21:38:00,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1702e8d07/71f86685b4e84304a19fe8b703993b90 [2019-11-06 21:38:00,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:38:00,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:38:00,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:00,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:38:00,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:38:00,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:00" (1/1) ... [2019-11-06 21:38:00,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a65a681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:00, skipping insertion in model container [2019-11-06 21:38:00,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:00" (1/1) ... [2019-11-06 21:38:00,475 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:38:00,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:38:01,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:01,262 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:38:01,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:01,482 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:38:01,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01 WrapperNode [2019-11-06 21:38:01,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:01,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:38:01,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:38:01,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:38:01,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01" (1/1) ... [2019-11-06 21:38:01,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01" (1/1) ... [2019-11-06 21:38:01,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01" (1/1) ... [2019-11-06 21:38:01,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01" (1/1) ... [2019-11-06 21:38:01,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01" (1/1) ... [2019-11-06 21:38:01,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01" (1/1) ... [2019-11-06 21:38:01,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01" (1/1) ... [2019-11-06 21:38:01,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:38:01,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:38:01,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:38:01,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:38:01,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01" (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 21:38:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:38:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:38:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:38:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:38:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:38:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:38:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:38:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:38:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:38:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:38:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:38:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:38:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:38:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:38:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:38:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:38:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:38:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:38:01,693 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:38:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:38:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:38:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:38:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:38:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:38:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:38:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:38:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:38:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:38:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:38:01,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:38:01,696 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:38:01,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:38:01,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:38:01,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:38:01,696 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:38:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:38:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:38:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:38:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:38:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:38:01,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:38:01,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:38:01,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:38:01,698 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:38:01,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:38:01,698 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-06 21:38:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:38:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:38:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-11-06 21:38:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-11-06 21:38:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:38:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:38:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:38:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:38:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:38:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:38:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:38:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:38:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-06 21:38:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-06 21:38:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:38:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:38:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:38:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:38:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:38:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:38:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:38:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:38:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:38:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:38:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:38:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:38:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:38:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:38:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:38:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:38:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:38:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:38:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:38:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:38:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:38:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-11-06 21:38:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:38:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:38:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:38:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:38:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:38:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:38:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:38:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:38:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:38:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-06 21:38:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-06 21:38:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:38:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:38:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:38:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:38:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:38:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:38:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:38:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:38:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:38:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:38:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:38:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:38:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:38:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:38:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:38:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:38:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:38:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:38:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:38:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:38:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:38:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:38:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:38:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:38:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:38:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:38:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:38:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:38:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:38:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:38:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:38:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:38:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:38:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:38:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:38:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:38:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:38:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:38:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:38:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:38:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:38:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:38:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:38:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:38:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:38:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:38:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:38:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:38:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:38:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:38:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:38:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:38:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:38:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:38:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:38:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:38:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:38:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:38:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:38:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:38:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:38:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:38:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:38:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:38:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:38:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:38:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:38:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:38:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:38:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:38:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:38:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:38:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-06 21:38:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-06 21:38:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-06 21:38:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-11-06 21:38:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-11-06 21:38:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-11-06 21:38:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:38:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:38:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:38:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:38:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:38:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:38:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:38:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:38:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:38:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:38:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:38:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:38:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:38:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:38:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:38:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:38:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:38:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-06 21:38:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-06 21:38:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:38:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:38:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:38:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:38:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:38:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:38:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:38:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:38:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:38:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:38:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:38:03,581 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:38:03,581 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:38:03,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:03 BoogieIcfgContainer [2019-11-06 21:38:03,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:38:03,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:38:03,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:38:03,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:38:03,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:38:00" (1/3) ... [2019-11-06 21:38:03,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a8a112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:03, skipping insertion in model container [2019-11-06 21:38:03,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01" (2/3) ... [2019-11-06 21:38:03,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a8a112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:03, skipping insertion in model container [2019-11-06 21:38:03,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:03" (3/3) ... [2019-11-06 21:38:03,591 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product36.cil.c [2019-11-06 21:38:03,602 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:38:03,611 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:38:03,623 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:38:03,652 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:38:03,653 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:38:03,653 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:38:03,653 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:38:03,653 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:38:03,653 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:38:03,653 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:38:03,653 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:38:03,693 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2019-11-06 21:38:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-06 21:38:03,723 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:03,725 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:38:03,728 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:03,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:03,734 INFO L82 PathProgramCache]: Analyzing trace with hash -181323665, now seen corresponding path program 1 times [2019-11-06 21:38:03,743 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:03,743 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454418547] [2019-11-06 21:38:03,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,844 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 517 [2019-11-06 21:38:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:06,154 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-06 21:38:06,154 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454418547] [2019-11-06 21:38:06,155 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:06,156 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:38:06,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654687520] [2019-11-06 21:38:06,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:38:06,162 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:06,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:38:06,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:38:06,183 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 9 states. [2019-11-06 21:38:14,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:38:14,541 INFO L93 Difference]: Finished difference Result 811 states and 1223 transitions. [2019-11-06 21:38:14,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-06 21:38:14,543 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2019-11-06 21:38:14,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:38:14,586 INFO L225 Difference]: With dead ends: 811 [2019-11-06 21:38:14,587 INFO L226 Difference]: Without dead ends: 538 [2019-11-06 21:38:14,601 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2019-11-06 21:38:14,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-06 21:38:14,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 334. [2019-11-06 21:38:14,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-11-06 21:38:14,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 446 transitions. [2019-11-06 21:38:14,834 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 446 transitions. Word has length 150 [2019-11-06 21:38:14,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:38:14,834 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 446 transitions. [2019-11-06 21:38:14,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:38:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 446 transitions. [2019-11-06 21:38:14,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-06 21:38:14,839 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:14,839 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:38:14,840 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:14,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:14,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1201394716, now seen corresponding path program 1 times [2019-11-06 21:38:14,840 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:14,840 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225897713] [2019-11-06 21:38:14,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,389 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 517 [2019-11-06 21:38:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:16,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-06 21:38:16,664 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225897713] [2019-11-06 21:38:16,664 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:16,664 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:38:16,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042669543] [2019-11-06 21:38:16,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:38:16,677 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:16,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:38:16,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:38:16,677 INFO L87 Difference]: Start difference. First operand 334 states and 446 transitions. Second operand 10 states. [2019-11-06 21:38:19,297 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 520 [2019-11-06 21:38:28,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:38:28,666 INFO L93 Difference]: Finished difference Result 736 states and 1056 transitions. [2019-11-06 21:38:28,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 21:38:28,666 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 151 [2019-11-06 21:38:28,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:38:28,674 INFO L225 Difference]: With dead ends: 736 [2019-11-06 21:38:28,674 INFO L226 Difference]: Without dead ends: 541 [2019-11-06 21:38:28,676 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2019-11-06 21:38:28,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2019-11-06 21:38:28,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 336. [2019-11-06 21:38:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-11-06 21:38:28,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 448 transitions. [2019-11-06 21:38:28,832 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 448 transitions. Word has length 151 [2019-11-06 21:38:28,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:38:28,832 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 448 transitions. [2019-11-06 21:38:28,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:38:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 448 transitions. [2019-11-06 21:38:28,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-06 21:38:28,835 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:28,835 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:38:28,836 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:28,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:28,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1898498474, now seen corresponding path program 1 times [2019-11-06 21:38:28,836 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:28,837 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499785107] [2019-11-06 21:38:28,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,372 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 517 [2019-11-06 21:38:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-06 21:38:30,684 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499785107] [2019-11-06 21:38:30,684 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:30,686 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-06 21:38:30,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861184525] [2019-11-06 21:38:30,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 21:38:30,688 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:30,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 21:38:30,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:38:30,689 INFO L87 Difference]: Start difference. First operand 336 states and 448 transitions. Second operand 13 states. [2019-11-06 21:38:32,508 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 519