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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:44:41,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:44:41,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:44:41,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:44:41,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:44:41,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:44:41,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:44:41,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:44:41,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:44:41,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:44:41,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:44:41,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:44:41,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:44:41,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:44:41,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:44:41,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:44:41,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:44:41,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:44:41,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:44:41,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:44:41,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:44:41,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:44:41,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:44:41,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:44:41,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:44:41,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:44:41,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:44:41,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:44:41,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:44:41,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:44:41,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:44:41,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:44:41,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:44:41,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:44:41,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:44:41,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:44:41,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:44:41,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:44:41,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:44:41,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:44:41,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:44:41,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:44:41,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:44:41,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:44:41,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:44:41,455 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:44:41,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:44:41,456 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:44:41,456 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:44:41,457 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:44:41,457 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:44:41,457 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:44:41,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:44:41,458 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:44:41,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:44:41,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:44:41,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:44:41,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:44:41,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:44:41,459 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:44:41,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:44:41,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:44:41,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:44:41,460 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:44:41,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:44:41,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:44:41,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:44:41,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:44:41,461 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:44:41,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:44:41,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:44:41,462 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:44:41,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:44:41,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:44:41,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:44:41,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:44:41,510 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:44:41,511 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product23.cil.c [2019-09-10 02:44:41,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f17c53a/46d47cad579d41c29e96ad704014e789/FLAG695740f7e [2019-09-10 02:44:42,252 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:44:42,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product23.cil.c [2019-09-10 02:44:42,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f17c53a/46d47cad579d41c29e96ad704014e789/FLAG695740f7e [2019-09-10 02:44:42,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f17c53a/46d47cad579d41c29e96ad704014e789 [2019-09-10 02:44:42,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:44:42,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:44:42,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:44:42,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:44:42,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:44:42,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:44:42" (1/1) ... [2019-09-10 02:44:42,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cea3d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:42, skipping insertion in model container [2019-09-10 02:44:42,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:44:42" (1/1) ... [2019-09-10 02:44:42,467 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:44:42,554 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:44:43,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:44:43,456 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:44:43,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:44:43,696 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:44:43,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:43 WrapperNode [2019-09-10 02:44:43,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:44:43,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:44:43,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:44:43,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:44:43,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:43" (1/1) ... [2019-09-10 02:44:43,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:43" (1/1) ... [2019-09-10 02:44:43,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:43" (1/1) ... [2019-09-10 02:44:43,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:43" (1/1) ... [2019-09-10 02:44:43,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:43" (1/1) ... [2019-09-10 02:44:43,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:43" (1/1) ... [2019-09-10 02:44:43,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:43" (1/1) ... [2019-09-10 02:44:43,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:44:43,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:44:43,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:44:43,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:44:43,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:43" (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 [2019-09-10 02:44:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:44:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:44:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:44:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:44:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:44:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-09-10 02:44:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:44:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:44:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-09-10 02:44:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:44:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:44:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:44:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:44:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:44:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:44:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:44:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:44:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:44:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:44:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:44:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:44:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:44:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:44:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:44:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-09-10 02:44:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-09-10 02:44:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-10 02:44:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:44:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:44:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:44:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:44:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:44:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:44:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:44:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:44:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:44:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:44:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:44:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:44:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:44:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:44:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:44:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:44:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:44:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:44:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:44:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:44:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:44:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:44:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:44:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:44:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:44:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:44:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:44:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:44:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:44:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:44:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:44:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:44:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:44:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:44:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:44:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:44:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:44:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:44:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:44:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:44:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:44:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:44:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:44:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:44:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:44:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:44:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:44:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:44:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:44:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:44:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:44:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:44:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:44:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:44:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:44:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:44:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:44:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:44:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:44:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:44:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:44:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:44:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:44:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:44:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:44:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:44:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:44:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:44:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:44:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:44:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:44:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:44:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:44:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:44:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:44:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:44:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:44:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:44:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:44:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:44:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:44:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:44:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:44:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:44:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:44:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:44:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:44:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:44:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:44:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:44:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:44:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:44:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:44:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:44:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:44:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:44:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:44:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:44:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:44:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:44:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:44:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:44:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:44:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:44:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:44:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:44:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:44:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:44:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:44:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:44:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:44:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:44:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:44:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:44:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:44:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:44:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:44:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:44:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:44:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:44:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:44:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:44:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:44:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:44:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:44:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:44:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:44:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:44:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-09-10 02:44:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-09-10 02:44:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:44:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-09-10 02:44:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:44:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:44:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:44:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:44:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:44:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:44:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-09-10 02:44:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-10 02:44:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:44:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:44:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:44:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:44:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:44:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:44:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:44:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:44:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:44:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:44:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:44:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:44:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:44:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:44:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:44:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:44:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:44:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:44:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:44:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:44:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:44:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:44:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:44:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:44:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:44:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:44:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:44:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:44:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:44:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:44:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:44:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:44:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:44:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:44:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:44:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:44:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:44:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:44:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:44:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:44:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:44:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:44:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:44:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:44:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:44:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:44:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:44:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:44:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:44:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:44:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:44:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:44:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:44:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:44:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:44:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:44:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:44:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:44:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:44:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:44:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:44:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:44:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:44:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:44:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:44:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:44:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:44:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:44:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:44:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:44:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:44:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:44:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:44:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:44:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:44:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:44:46,229 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:44:46,230 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:44:46,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:44:46 BoogieIcfgContainer [2019-09-10 02:44:46,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:44:46,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:44:46,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:44:46,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:44:46,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:44:42" (1/3) ... [2019-09-10 02:44:46,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2c4fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:44:46, skipping insertion in model container [2019-09-10 02:44:46,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:43" (2/3) ... [2019-09-10 02:44:46,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2c4fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:44:46, skipping insertion in model container [2019-09-10 02:44:46,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:44:46" (3/3) ... [2019-09-10 02:44:46,243 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product23.cil.c [2019-09-10 02:44:46,254 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:44:46,271 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:44:46,291 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:44:46,330 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:44:46,331 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:44:46,331 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:44:46,331 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:44:46,331 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:44:46,331 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:44:46,331 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:44:46,332 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:44:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states. [2019-09-10 02:44:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-10 02:44:46,427 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:46,429 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:44:46,441 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:46,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:46,448 INFO L82 PathProgramCache]: Analyzing trace with hash 251809730, now seen corresponding path program 1 times [2019-09-10 02:44:46,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:46,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:46,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:46,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:46,502 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:47,156 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:47,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:47,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:44:47,159 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:47,164 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:44:47,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:44:47,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:44:47,181 INFO L87 Difference]: Start difference. First operand 571 states. Second operand 2 states. [2019-09-10 02:44:47,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:47,232 INFO L93 Difference]: Finished difference Result 529 states and 721 transitions. [2019-09-10 02:44:47,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:44:47,234 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-09-10 02:44:47,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:47,256 INFO L225 Difference]: With dead ends: 529 [2019-09-10 02:44:47,256 INFO L226 Difference]: Without dead ends: 520 [2019-09-10 02:44:47,258 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:44:47,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2019-09-10 02:44:47,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2019-09-10 02:44:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-09-10 02:44:47,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 710 transitions. [2019-09-10 02:44:47,360 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 710 transitions. Word has length 159 [2019-09-10 02:44:47,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:47,363 INFO L475 AbstractCegarLoop]: Abstraction has 520 states and 710 transitions. [2019-09-10 02:44:47,363 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:44:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 710 transitions. [2019-09-10 02:44:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-09-10 02:44:47,368 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:47,369 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:44:47,369 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:47,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:47,370 INFO L82 PathProgramCache]: Analyzing trace with hash 10731156, now seen corresponding path program 1 times [2019-09-10 02:44:47,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:47,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:47,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:47,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:47,372 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:47,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:47,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:44:47,629 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:47,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:44:47,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:44:47,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:47,633 INFO L87 Difference]: Start difference. First operand 520 states and 710 transitions. Second operand 3 states. [2019-09-10 02:44:47,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:47,689 INFO L93 Difference]: Finished difference Result 523 states and 713 transitions. [2019-09-10 02:44:47,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:44:47,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-09-10 02:44:47,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:47,696 INFO L225 Difference]: With dead ends: 523 [2019-09-10 02:44:47,696 INFO L226 Difference]: Without dead ends: 523 [2019-09-10 02:44:47,697 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:47,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2019-09-10 02:44:47,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 522. [2019-09-10 02:44:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2019-09-10 02:44:47,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 712 transitions. [2019-09-10 02:44:47,733 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 712 transitions. Word has length 160 [2019-09-10 02:44:47,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:47,733 INFO L475 AbstractCegarLoop]: Abstraction has 522 states and 712 transitions. [2019-09-10 02:44:47,734 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:44:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 712 transitions. [2019-09-10 02:44:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-09-10 02:44:47,737 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:47,738 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:44:47,738 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:47,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:47,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1262882692, now seen corresponding path program 1 times [2019-09-10 02:44:47,738 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:47,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:47,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:47,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:47,740 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:47,962 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:47,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:47,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:44:47,963 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:47,964 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:44:47,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:44:47,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:47,965 INFO L87 Difference]: Start difference. First operand 522 states and 712 transitions. Second operand 3 states. [2019-09-10 02:44:48,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:48,008 INFO L93 Difference]: Finished difference Result 565 states and 785 transitions. [2019-09-10 02:44:48,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:44:48,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-09-10 02:44:48,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:48,017 INFO L225 Difference]: With dead ends: 565 [2019-09-10 02:44:48,017 INFO L226 Difference]: Without dead ends: 565 [2019-09-10 02:44:48,018 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:48,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2019-09-10 02:44:48,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 564. [2019-09-10 02:44:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-09-10 02:44:48,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 784 transitions. [2019-09-10 02:44:48,061 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 784 transitions. Word has length 170 [2019-09-10 02:44:48,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:48,062 INFO L475 AbstractCegarLoop]: Abstraction has 564 states and 784 transitions. [2019-09-10 02:44:48,062 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:44:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 784 transitions. [2019-09-10 02:44:48,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-10 02:44:48,066 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:48,066 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:44:48,067 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:48,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:48,067 INFO L82 PathProgramCache]: Analyzing trace with hash 147222900, now seen corresponding path program 1 times [2019-09-10 02:44:48,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:48,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:48,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:48,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:48,069 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:48,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:48,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:44:48,243 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:48,244 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:44:48,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:44:48,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:48,245 INFO L87 Difference]: Start difference. First operand 564 states and 784 transitions. Second operand 3 states. [2019-09-10 02:44:48,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:48,286 INFO L93 Difference]: Finished difference Result 646 states and 923 transitions. [2019-09-10 02:44:48,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:44:48,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-09-10 02:44:48,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:48,294 INFO L225 Difference]: With dead ends: 646 [2019-09-10 02:44:48,294 INFO L226 Difference]: Without dead ends: 646 [2019-09-10 02:44:48,295 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:48,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2019-09-10 02:44:48,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 645. [2019-09-10 02:44:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2019-09-10 02:44:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 922 transitions. [2019-09-10 02:44:48,327 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 922 transitions. Word has length 171 [2019-09-10 02:44:48,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:48,328 INFO L475 AbstractCegarLoop]: Abstraction has 645 states and 922 transitions. [2019-09-10 02:44:48,328 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:44:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 922 transitions. [2019-09-10 02:44:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-10 02:44:48,333 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:48,333 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:44:48,334 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:48,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:48,334 INFO L82 PathProgramCache]: Analyzing trace with hash 205292516, now seen corresponding path program 1 times [2019-09-10 02:44:48,334 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:48,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:48,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:48,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:48,336 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:48,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:48,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:44:48,485 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:48,485 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:44:48,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:44:48,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:48,486 INFO L87 Difference]: Start difference. First operand 645 states and 922 transitions. Second operand 3 states. [2019-09-10 02:44:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:48,512 INFO L93 Difference]: Finished difference Result 802 states and 1187 transitions. [2019-09-10 02:44:48,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:44:48,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-09-10 02:44:48,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:48,519 INFO L225 Difference]: With dead ends: 802 [2019-09-10 02:44:48,519 INFO L226 Difference]: Without dead ends: 802 [2019-09-10 02:44:48,519 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:48,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2019-09-10 02:44:48,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 801. [2019-09-10 02:44:48,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2019-09-10 02:44:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1186 transitions. [2019-09-10 02:44:48,554 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1186 transitions. Word has length 172 [2019-09-10 02:44:48,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:48,555 INFO L475 AbstractCegarLoop]: Abstraction has 801 states and 1186 transitions. [2019-09-10 02:44:48,555 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:44:48,555 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1186 transitions. [2019-09-10 02:44:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-09-10 02:44:48,565 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:48,565 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:44:48,566 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:48,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:48,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1598962964, now seen corresponding path program 1 times [2019-09-10 02:44:48,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:48,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:48,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:48,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:48,568 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:48,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:48,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:44:48,884 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:48,885 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:44:48,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:44:48,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:48,886 INFO L87 Difference]: Start difference. First operand 801 states and 1186 transitions. Second operand 3 states. [2019-09-10 02:44:48,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:48,918 INFO L93 Difference]: Finished difference Result 1102 states and 1691 transitions. [2019-09-10 02:44:48,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:44:48,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-09-10 02:44:48,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:48,929 INFO L225 Difference]: With dead ends: 1102 [2019-09-10 02:44:48,930 INFO L226 Difference]: Without dead ends: 1102 [2019-09-10 02:44:48,930 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:48,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2019-09-10 02:44:48,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1101. [2019-09-10 02:44:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1101 states. [2019-09-10 02:44:48,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1690 transitions. [2019-09-10 02:44:48,992 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1690 transitions. Word has length 173 [2019-09-10 02:44:48,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:48,993 INFO L475 AbstractCegarLoop]: Abstraction has 1101 states and 1690 transitions. [2019-09-10 02:44:48,993 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:44:48,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1690 transitions. [2019-09-10 02:44:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-10 02:44:49,005 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:49,005 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:44:49,006 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:49,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:49,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1623721916, now seen corresponding path program 1 times [2019-09-10 02:44:49,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:49,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:49,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:49,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:49,008 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:49,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:49,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:49,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:44:49,219 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:49,220 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:44:49,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:44:49,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:49,221 INFO L87 Difference]: Start difference. First operand 1101 states and 1690 transitions. Second operand 3 states. [2019-09-10 02:44:49,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:49,269 INFO L93 Difference]: Finished difference Result 1678 states and 2651 transitions. [2019-09-10 02:44:49,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:44:49,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-09-10 02:44:49,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:49,283 INFO L225 Difference]: With dead ends: 1678 [2019-09-10 02:44:49,283 INFO L226 Difference]: Without dead ends: 1678 [2019-09-10 02:44:49,284 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:49,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2019-09-10 02:44:49,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1677. [2019-09-10 02:44:49,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1677 states. [2019-09-10 02:44:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 2650 transitions. [2019-09-10 02:44:49,376 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 2650 transitions. Word has length 174 [2019-09-10 02:44:49,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:49,377 INFO L475 AbstractCegarLoop]: Abstraction has 1677 states and 2650 transitions. [2019-09-10 02:44:49,377 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:44:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2650 transitions. [2019-09-10 02:44:49,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-09-10 02:44:49,392 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:49,393 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:44:49,393 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:49,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:49,394 INFO L82 PathProgramCache]: Analyzing trace with hash 829861614, now seen corresponding path program 1 times [2019-09-10 02:44:49,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:49,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:49,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:49,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:49,395 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-10 02:44:49,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:49,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:44:49,709 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:49,709 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:44:49,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:44:49,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:44:49,710 INFO L87 Difference]: Start difference. First operand 1677 states and 2650 transitions. Second operand 8 states. [2019-09-10 02:44:49,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:49,777 INFO L93 Difference]: Finished difference Result 1674 states and 2647 transitions. [2019-09-10 02:44:49,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:44:49,777 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2019-09-10 02:44:49,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:49,778 INFO L225 Difference]: With dead ends: 1674 [2019-09-10 02:44:49,778 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:44:49,779 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:44:49,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:44:49,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:44:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:44:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:44:49,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-09-10 02:44:49,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:49,780 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:44:49,780 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:44:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:44:49,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:44:49,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:44:49 BoogieIcfgContainer [2019-09-10 02:44:49,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:44:49,790 INFO L168 Benchmark]: Toolchain (without parser) took 7342.33 ms. Allocated memory was 138.4 MB in the beginning and 360.2 MB in the end (delta: 221.8 MB). Free memory was 85.0 MB in the beginning and 224.7 MB in the end (delta: -139.6 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:44:49,791 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:44:49,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1248.32 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 84.6 MB in the beginning and 138.3 MB in the end (delta: -53.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:44:49,792 INFO L168 Benchmark]: Boogie Preprocessor took 162.02 ms. Allocated memory is still 205.5 MB. Free memory was 138.3 MB in the beginning and 129.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:44:49,793 INFO L168 Benchmark]: RCFGBuilder took 2371.90 ms. Allocated memory was 205.5 MB in the beginning and 255.3 MB in the end (delta: 49.8 MB). Free memory was 128.8 MB in the beginning and 157.0 MB in the end (delta: -28.2 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:44:49,795 INFO L168 Benchmark]: TraceAbstraction took 3552.18 ms. Allocated memory was 255.3 MB in the beginning and 360.2 MB in the end (delta: 104.9 MB). Free memory was 155.1 MB in the beginning and 224.7 MB in the end (delta: -69.6 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:44:49,799 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1248.32 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 84.6 MB in the beginning and 138.3 MB in the end (delta: -53.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 162.02 ms. Allocated memory is still 205.5 MB. Free memory was 138.3 MB in the beginning and 129.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2371.90 ms. Allocated memory was 205.5 MB in the beginning and 255.3 MB in the end (delta: 49.8 MB). Free memory was 128.8 MB in the beginning and 157.0 MB in the end (delta: -28.2 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3552.18 ms. Allocated memory was 255.3 MB in the beginning and 360.2 MB in the end (delta: 104.9 MB). Free memory was 155.1 MB in the beginning and 224.7 MB in the end (delta: -69.6 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 947]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 114 procedures, 775 locations, 1 error locations. SAFE Result, 3.4s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5728 SDtfs, 249 SDslu, 8429 SDs, 0 SdLazy, 46 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1677occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 6 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1355 NumberOfCodeBlocks, 1355 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1347 ConstructedInterpolants, 0 QuantifiedInterpolants, 244591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 236/236 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...