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 0.1.24-673a906-m [2019-10-03 02:54:36,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:54:36,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:54:36,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:54:36,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:54:36,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:54:36,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:54:36,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:54:36,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:54:36,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:54:36,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:54:36,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:54:36,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:54:36,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:54:36,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:54:36,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:54:36,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:54:36,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:54:36,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:54:36,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:54:36,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:54:36,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:54:36,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:54:36,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:54:36,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:54:36,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:54:36,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:54:36,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:54:36,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:54:36,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:54:36,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:54:36,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:54:36,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:54:36,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:54:36,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:54:36,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:54:36,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:54:36,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:54:36,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:54:36,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:54:36,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:54:36,416 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 [2019-10-03 02:54:36,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:54:36,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:54:36,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:54:36,442 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:54:36,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:54:36,443 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:54:36,443 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:54:36,443 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:54:36,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:54:36,444 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:54:36,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:54:36,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:54:36,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:54:36,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:54:36,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:54:36,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:54:36,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:54:36,447 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:54:36,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:54:36,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:54:36,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:54:36,448 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:54:36,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:54:36,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:54:36,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:54:36,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:54:36,449 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:54:36,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:54:36,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:54:36,450 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:54:36,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:54:36,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:54:36,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:54:36,533 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:54:36,535 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:54:36,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product23.cil.c [2019-10-03 02:54:36,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fa7f7f2/d6a09c68dd0f4af7a5b4b104dae43a3c/FLAG1cfa6571d [2019-10-03 02:54:37,190 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:54:37,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product23.cil.c [2019-10-03 02:54:37,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fa7f7f2/d6a09c68dd0f4af7a5b4b104dae43a3c/FLAG1cfa6571d [2019-10-03 02:54:37,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fa7f7f2/d6a09c68dd0f4af7a5b4b104dae43a3c [2019-10-03 02:54:37,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:54:37,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:54:37,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:54:37,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:54:37,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:54:37,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:54:37" (1/1) ... [2019-10-03 02:54:37,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea49d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:37, skipping insertion in model container [2019-10-03 02:54:37,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:54:37" (1/1) ... [2019-10-03 02:54:37,462 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:54:37,544 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:54:38,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:54:38,362 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:54:38,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:54:38,582 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:54:38,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:38 WrapperNode [2019-10-03 02:54:38,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:54:38,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:54:38,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:54:38,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:54:38,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:38" (1/1) ... [2019-10-03 02:54:38,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:38" (1/1) ... [2019-10-03 02:54:38,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:38" (1/1) ... [2019-10-03 02:54:38,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:38" (1/1) ... [2019-10-03 02:54:38,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:38" (1/1) ... [2019-10-03 02:54:38,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:38" (1/1) ... [2019-10-03 02:54:38,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:38" (1/1) ... [2019-10-03 02:54:38,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:54:38,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:54:38,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:54:38,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:54:38,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:54:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:54:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:54:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:54:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:54:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:54:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:54:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:54:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:54:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-03 02:54:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:54:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:54:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:54:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:54:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:54:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:54:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:54:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:54:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:54:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:54:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:54:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:54:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:54:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:54:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:54:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-03 02:54:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:54:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-03 02:54:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:54:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:54:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:54:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:54:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:54:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:54:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:54:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:54:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:54:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:54:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:54:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:54:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:54:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:54:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:54:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:54:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:54:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:54:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:54:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:54:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:54:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:54:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:54:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:54:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:54:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:54:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:54:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:54:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:54:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:54:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:54:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:54:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:54:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:54:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:54:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:54:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:54:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:54:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:54:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:54:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:54:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:54:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:54:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:54:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:54:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:54:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:54:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:54:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:54:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:54:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:54:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:54:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:54:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:54:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:54:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:54:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:54:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:54:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:54:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:54:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:54:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:54:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:54:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:54:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:54:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:54:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:54:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:54:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:54:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:54:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:54:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:54:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:54:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:54:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:54:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:54:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:54:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:54:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:54:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:54:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:54:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:54:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:54:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:54:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:54:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:54:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:54:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:54:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:54:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:54:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:54:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:54:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:54:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:54:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:54:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:54:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:54:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:54:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:54:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:54:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:54:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:54:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:54:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:54:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:54:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:54:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:54:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:54:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:54:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:54:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:54:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:54:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:54:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:54:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:54:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:54:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:54:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:54:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:54:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:54:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:54:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:54:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:54:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:54:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:54:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:54:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:54:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:54:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:54:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-03 02:54:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:54:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-03 02:54:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:54:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:54:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:54:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:54:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:54:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:54:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:54:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-03 02:54:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:54:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:54:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:54:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:54:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:54:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:54:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:54:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:54:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:54:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:54:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:54:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:54:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:54:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:54:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:54:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:54:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:54:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:54:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:54:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:54:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:54:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:54:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:54:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:54:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:54:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:54:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:54:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:54:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:54:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:54:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:54:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:54:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:54:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:54:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:54:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:54:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:54:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:54:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:54:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:54:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:54:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:54:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:54:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:54:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:54:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:54:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:54:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:54:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:54:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:54:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:54:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:54:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:54:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:54:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:54:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:54:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:54:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:54:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:54:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:54:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:54:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:54:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:54:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:54:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:54:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:54:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:54:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:54:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:54:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:54:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:54:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:54:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:54:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:54:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:54:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:54:40,839 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:54:40,839 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:54:40,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:54:40 BoogieIcfgContainer [2019-10-03 02:54:40,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:54:40,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:54:40,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:54:40,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:54:40,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:54:37" (1/3) ... [2019-10-03 02:54:40,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6daf3e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:54:40, skipping insertion in model container [2019-10-03 02:54:40,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:54:38" (2/3) ... [2019-10-03 02:54:40,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6daf3e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:54:40, skipping insertion in model container [2019-10-03 02:54:40,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:54:40" (3/3) ... [2019-10-03 02:54:40,849 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product23.cil.c [2019-10-03 02:54:40,859 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:54:40,867 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:54:40,885 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:54:40,912 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:54:40,912 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:54:40,912 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:54:40,912 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:54:40,912 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:54:40,913 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:54:40,913 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:54:40,913 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:54:40,939 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states. [2019-10-03 02:54:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-03 02:54:40,964 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:40,966 INFO L411 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] [2019-10-03 02:54:40,968 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:40,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:40,974 INFO L82 PathProgramCache]: Analyzing trace with hash 251809730, now seen corresponding path program 1 times [2019-10-03 02:54:40,977 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:41,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:41,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:41,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:41,041 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:41,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:41,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:54:41,589 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:41,595 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:54:41,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:54:41,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:54:41,613 INFO L87 Difference]: Start difference. First operand 571 states. Second operand 2 states. [2019-10-03 02:54:41,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:41,674 INFO L93 Difference]: Finished difference Result 529 states and 721 transitions. [2019-10-03 02:54:41,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:54:41,676 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-03 02:54:41,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:41,698 INFO L225 Difference]: With dead ends: 529 [2019-10-03 02:54:41,698 INFO L226 Difference]: Without dead ends: 520 [2019-10-03 02:54:41,700 INFO L640 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 [2019-10-03 02:54:41,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2019-10-03 02:54:41,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2019-10-03 02:54:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-03 02:54:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 710 transitions. [2019-10-03 02:54:41,791 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 710 transitions. Word has length 159 [2019-10-03 02:54:41,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:41,794 INFO L475 AbstractCegarLoop]: Abstraction has 520 states and 710 transitions. [2019-10-03 02:54:41,794 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:54:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 710 transitions. [2019-10-03 02:54:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-03 02:54:41,799 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:41,799 INFO L411 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] [2019-10-03 02:54:41,800 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:41,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:41,800 INFO L82 PathProgramCache]: Analyzing trace with hash 10731156, now seen corresponding path program 1 times [2019-10-03 02:54:41,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:41,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:41,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:41,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:41,806 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:41,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:41,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:41,983 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:41,985 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:41,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:41,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:41,985 INFO L87 Difference]: Start difference. First operand 520 states and 710 transitions. Second operand 3 states. [2019-10-03 02:54:42,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:42,024 INFO L93 Difference]: Finished difference Result 523 states and 713 transitions. [2019-10-03 02:54:42,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:42,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-03 02:54:42,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:42,030 INFO L225 Difference]: With dead ends: 523 [2019-10-03 02:54:42,031 INFO L226 Difference]: Without dead ends: 523 [2019-10-03 02:54:42,031 INFO L640 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 [2019-10-03 02:54:42,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2019-10-03 02:54:42,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 522. [2019-10-03 02:54:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2019-10-03 02:54:42,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 712 transitions. [2019-10-03 02:54:42,061 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 712 transitions. Word has length 160 [2019-10-03 02:54:42,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:42,062 INFO L475 AbstractCegarLoop]: Abstraction has 522 states and 712 transitions. [2019-10-03 02:54:42,062 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 712 transitions. [2019-10-03 02:54:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-03 02:54:42,066 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:42,066 INFO L411 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] [2019-10-03 02:54:42,066 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:42,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:42,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1262882692, now seen corresponding path program 1 times [2019-10-03 02:54:42,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:42,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:42,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:42,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:42,072 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:42,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:42,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:42,293 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:42,295 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:42,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:42,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:42,296 INFO L87 Difference]: Start difference. First operand 522 states and 712 transitions. Second operand 3 states. [2019-10-03 02:54:42,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:42,326 INFO L93 Difference]: Finished difference Result 565 states and 785 transitions. [2019-10-03 02:54:42,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:42,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-03 02:54:42,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:42,332 INFO L225 Difference]: With dead ends: 565 [2019-10-03 02:54:42,332 INFO L226 Difference]: Without dead ends: 565 [2019-10-03 02:54:42,332 INFO L640 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 [2019-10-03 02:54:42,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2019-10-03 02:54:42,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 564. [2019-10-03 02:54:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-10-03 02:54:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 784 transitions. [2019-10-03 02:54:42,357 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 784 transitions. Word has length 170 [2019-10-03 02:54:42,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:42,358 INFO L475 AbstractCegarLoop]: Abstraction has 564 states and 784 transitions. [2019-10-03 02:54:42,358 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 784 transitions. [2019-10-03 02:54:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-03 02:54:42,364 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:42,365 INFO L411 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] [2019-10-03 02:54:42,365 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:42,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:42,367 INFO L82 PathProgramCache]: Analyzing trace with hash 147222900, now seen corresponding path program 1 times [2019-10-03 02:54:42,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:42,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:42,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:42,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:42,372 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:42,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:42,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:42,559 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:42,562 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:42,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:42,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:42,563 INFO L87 Difference]: Start difference. First operand 564 states and 784 transitions. Second operand 3 states. [2019-10-03 02:54:42,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:42,609 INFO L93 Difference]: Finished difference Result 646 states and 923 transitions. [2019-10-03 02:54:42,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:42,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-03 02:54:42,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:42,619 INFO L225 Difference]: With dead ends: 646 [2019-10-03 02:54:42,620 INFO L226 Difference]: Without dead ends: 646 [2019-10-03 02:54:42,620 INFO L640 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 [2019-10-03 02:54:42,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2019-10-03 02:54:42,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 645. [2019-10-03 02:54:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2019-10-03 02:54:42,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 922 transitions. [2019-10-03 02:54:42,666 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 922 transitions. Word has length 171 [2019-10-03 02:54:42,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:42,669 INFO L475 AbstractCegarLoop]: Abstraction has 645 states and 922 transitions. [2019-10-03 02:54:42,669 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 922 transitions. [2019-10-03 02:54:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-03 02:54:42,679 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:42,679 INFO L411 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] [2019-10-03 02:54:42,679 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:42,680 INFO L82 PathProgramCache]: Analyzing trace with hash 205292516, now seen corresponding path program 1 times [2019-10-03 02:54:42,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:42,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:42,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:42,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:42,687 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:42,921 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:42,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:42,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:42,922 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:42,923 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:42,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:42,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:42,925 INFO L87 Difference]: Start difference. First operand 645 states and 922 transitions. Second operand 3 states. [2019-10-03 02:54:42,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:42,960 INFO L93 Difference]: Finished difference Result 802 states and 1187 transitions. [2019-10-03 02:54:42,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:42,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-03 02:54:42,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:42,967 INFO L225 Difference]: With dead ends: 802 [2019-10-03 02:54:42,967 INFO L226 Difference]: Without dead ends: 802 [2019-10-03 02:54:42,968 INFO L640 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 [2019-10-03 02:54:42,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2019-10-03 02:54:43,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 801. [2019-10-03 02:54:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2019-10-03 02:54:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1186 transitions. [2019-10-03 02:54:43,017 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1186 transitions. Word has length 172 [2019-10-03 02:54:43,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:43,018 INFO L475 AbstractCegarLoop]: Abstraction has 801 states and 1186 transitions. [2019-10-03 02:54:43,018 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1186 transitions. [2019-10-03 02:54:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-03 02:54:43,027 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:43,027 INFO L411 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] [2019-10-03 02:54:43,028 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:43,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:43,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1598962964, now seen corresponding path program 1 times [2019-10-03 02:54:43,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:43,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:43,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:43,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:43,035 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:43,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:43,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:43,293 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:43,295 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:43,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:43,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:43,295 INFO L87 Difference]: Start difference. First operand 801 states and 1186 transitions. Second operand 3 states. [2019-10-03 02:54:43,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:43,322 INFO L93 Difference]: Finished difference Result 1102 states and 1691 transitions. [2019-10-03 02:54:43,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:43,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-10-03 02:54:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:43,329 INFO L225 Difference]: With dead ends: 1102 [2019-10-03 02:54:43,330 INFO L226 Difference]: Without dead ends: 1102 [2019-10-03 02:54:43,330 INFO L640 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 [2019-10-03 02:54:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2019-10-03 02:54:43,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1101. [2019-10-03 02:54:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1101 states. [2019-10-03 02:54:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1690 transitions. [2019-10-03 02:54:43,367 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1690 transitions. Word has length 173 [2019-10-03 02:54:43,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:43,370 INFO L475 AbstractCegarLoop]: Abstraction has 1101 states and 1690 transitions. [2019-10-03 02:54:43,370 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1690 transitions. [2019-10-03 02:54:43,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-03 02:54:43,376 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:43,376 INFO L411 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] [2019-10-03 02:54:43,376 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:43,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:43,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1623721916, now seen corresponding path program 1 times [2019-10-03 02:54:43,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:43,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:43,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:43,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:43,383 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:43,519 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:54:43,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:43,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:54:43,519 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:43,520 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:54:43,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:54:43,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:54:43,521 INFO L87 Difference]: Start difference. First operand 1101 states and 1690 transitions. Second operand 3 states. [2019-10-03 02:54:43,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:43,558 INFO L93 Difference]: Finished difference Result 1678 states and 2651 transitions. [2019-10-03 02:54:43,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:54:43,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-03 02:54:43,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:43,576 INFO L225 Difference]: With dead ends: 1678 [2019-10-03 02:54:43,577 INFO L226 Difference]: Without dead ends: 1678 [2019-10-03 02:54:43,577 INFO L640 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 [2019-10-03 02:54:43,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2019-10-03 02:54:43,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1677. [2019-10-03 02:54:43,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1677 states. [2019-10-03 02:54:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 2650 transitions. [2019-10-03 02:54:43,659 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 2650 transitions. Word has length 174 [2019-10-03 02:54:43,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:43,659 INFO L475 AbstractCegarLoop]: Abstraction has 1677 states and 2650 transitions. [2019-10-03 02:54:43,659 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:54:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2650 transitions. [2019-10-03 02:54:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-03 02:54:43,672 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:43,673 INFO L411 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] [2019-10-03 02:54:43,675 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:43,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:43,675 INFO L82 PathProgramCache]: Analyzing trace with hash 829861614, now seen corresponding path program 1 times [2019-10-03 02:54:43,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:43,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:43,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:43,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:43,680 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:54:44,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:44,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:54:44,045 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:44,045 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:54:44,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:54:44,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:54:44,046 INFO L87 Difference]: Start difference. First operand 1677 states and 2650 transitions. Second operand 8 states. [2019-10-03 02:54:44,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:44,105 INFO L93 Difference]: Finished difference Result 1674 states and 2647 transitions. [2019-10-03 02:54:44,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:54:44,106 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2019-10-03 02:54:44,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:44,107 INFO L225 Difference]: With dead ends: 1674 [2019-10-03 02:54:44,107 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:54:44,107 INFO L640 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 [2019-10-03 02:54:44,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:54:44,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:54:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:54:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:54:44,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-10-03 02:54:44,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:44,109 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:54:44,109 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:54:44,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:54:44,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:54:44,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:54:44 BoogieIcfgContainer [2019-10-03 02:54:44,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:54:44,118 INFO L168 Benchmark]: Toolchain (without parser) took 6670.81 ms. Allocated memory was 141.0 MB in the beginning and 396.4 MB in the end (delta: 255.3 MB). Free memory was 86.1 MB in the beginning and 313.0 MB in the end (delta: -226.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:44,120 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:54:44,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1137.03 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 85.7 MB in the beginning and 131.6 MB in the end (delta: -45.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:44,124 INFO L168 Benchmark]: Boogie Preprocessor took 175.43 ms. Allocated memory is still 200.3 MB. Free memory was 131.6 MB in the beginning and 122.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:44,125 INFO L168 Benchmark]: RCFGBuilder took 2081.56 ms. Allocated memory was 200.3 MB in the beginning and 262.7 MB in the end (delta: 62.4 MB). Free memory was 122.6 MB in the beginning and 157.3 MB in the end (delta: -34.8 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:44,130 INFO L168 Benchmark]: TraceAbstraction took 3272.43 ms. Allocated memory was 262.7 MB in the beginning and 396.4 MB in the end (delta: 133.7 MB). Free memory was 157.3 MB in the beginning and 313.0 MB in the end (delta: -155.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:54:44,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1137.03 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 85.7 MB in the beginning and 131.6 MB in the end (delta: -45.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 175.43 ms. Allocated memory is still 200.3 MB. Free memory was 131.6 MB in the beginning and 122.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2081.56 ms. Allocated memory was 200.3 MB in the beginning and 262.7 MB in the end (delta: 62.4 MB). Free memory was 122.6 MB in the beginning and 157.3 MB in the end (delta: -34.8 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3272.43 ms. Allocated memory was 262.7 MB in the beginning and 396.4 MB in the end (delta: 133.7 MB). Free memory was 157.3 MB in the beginning and 313.0 MB in the end (delta: -155.7 MB). There was no memory consumed. 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, 3.2s 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s 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...