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_spec27_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:24,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:24,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:24,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:24,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:24,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:24,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:24,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:24,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:24,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:24,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:24,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:24,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:24,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:24,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:24,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:24,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:24,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:24,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:24,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:24,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:24,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:24,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:24,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:24,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:24,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:24,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:24,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:24,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:24,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:24,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:24,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:24,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:24,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:24,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:24,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:24,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:24,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:24,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:24,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:24,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:24,494 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 02:52:24,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:24,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:24,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:24,509 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:24,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:24,510 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:24,510 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:24,510 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:24,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:24,511 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:24,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:24,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:24,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:24,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:24,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:24,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:24,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:24,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:24,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:24,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:24,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:24,514 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:24,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:24,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:24,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:24,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:24,515 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:24,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:24,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:24,515 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:24,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:24,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:24,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:24,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:24,575 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:24,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product30.cil.c [2019-10-03 02:52:24,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504051d9a/40a7611ca323435b9289863c23367eed/FLAG38b6aeadf [2019-10-03 02:52:25,208 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:25,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product30.cil.c [2019-10-03 02:52:25,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504051d9a/40a7611ca323435b9289863c23367eed/FLAG38b6aeadf [2019-10-03 02:52:25,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504051d9a/40a7611ca323435b9289863c23367eed [2019-10-03 02:52:25,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:25,457 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:25,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:25,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:25,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:25,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:25" (1/1) ... [2019-10-03 02:52:25,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d03ee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:25, skipping insertion in model container [2019-10-03 02:52:25,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:25" (1/1) ... [2019-10-03 02:52:25,475 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:25,575 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:26,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:26,414 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:26,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:26,682 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:26,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26 WrapperNode [2019-10-03 02:52:26,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:26,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:26,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:26,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:26,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:52:26,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:52:26,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:52:26,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:52:26,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (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 02:52:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:52:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:52:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:52:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:52:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:52:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:52:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:52:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:52:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:52:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:52:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:52:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:52:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:52:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:52:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:52:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:52:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:52:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:52:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:52:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:52:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:52:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:52:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:52:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:52:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:52:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:52:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:52:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:52:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:52:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:52:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:52:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:52:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:52:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:52:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:52:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:52:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:52:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:52:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:52:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:52:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:52:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:52:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:52:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:52:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:52:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:52:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:52:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:52:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:52:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:52:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:52:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:52:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:52:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:52:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:52:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:52:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:52:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:52:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:52:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:52:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:52:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:52:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:52:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:52:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:52:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:52:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:52:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:52:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:52:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:52:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:52:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:52:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:52:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:52:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:52:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:52:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:52:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:52:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:52:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:52:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-03 02:52:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-03 02:52:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:52:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:52:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:52:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:52:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:52:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:52:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:52:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:52:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:52:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:52:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:52:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:52:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:52:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:52:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:52:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:52:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:52:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:52:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:52:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:52:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:52:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:52:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:52:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:52:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:52:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:52:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:52:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:52:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:52:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:52:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:52:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:52:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:52:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:52:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:52:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:52:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:52:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:52:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:52:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:52:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:52:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:52:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:52:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:52:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:52:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:52:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:52:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:52:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:52:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:52:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:52:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:52:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:52:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:52:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:52:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:52:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:52:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:52:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:52:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:52:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:52:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:52:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:52:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:52:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:52:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:52:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:52:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:52:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:52:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:52:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:52:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:52:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:52:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:52:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:52:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:52:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:52:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:52:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:52:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:52:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:52:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:52:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:52:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:52:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:52:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:52:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:52:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:52:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:52:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:52:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:52:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:52:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:52:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:52:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:52:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:52:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:52:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:52:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:52:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:52:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:52:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:52:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:52:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:52:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:52:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:52:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:52:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:52:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:52:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:52:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:52:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:52:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:52:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:52:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:52:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:52:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:52:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:52:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:52:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:52:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:52:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:52:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-03 02:52:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-03 02:52:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:52:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:52:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:52:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:52:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:52:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:52:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:52:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:52:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:52:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:52:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:52:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:52:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:52:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:52:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:52:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:52:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:52:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:52:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:52:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:52:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:52:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:52:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:52:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:52:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:52:29,027 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:52:29,028 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:52:29,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:29 BoogieIcfgContainer [2019-10-03 02:52:29,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:52:29,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:52:29,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:52:29,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:52:29,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:25" (1/3) ... [2019-10-03 02:52:29,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e01164d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:29, skipping insertion in model container [2019-10-03 02:52:29,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (2/3) ... [2019-10-03 02:52:29,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e01164d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:29, skipping insertion in model container [2019-10-03 02:52:29,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:29" (3/3) ... [2019-10-03 02:52:29,038 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product30.cil.c [2019-10-03 02:52:29,048 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:52:29,061 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:52:29,077 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:52:29,104 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:52:29,104 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:52:29,104 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:52:29,104 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:52:29,105 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:52:29,109 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:52:29,109 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:52:29,109 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:52:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states. [2019-10-03 02:52:29,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-03 02:52:29,185 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:29,186 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:52:29,193 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:29,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:29,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1742226729, now seen corresponding path program 1 times [2019-10-03 02:52:29,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:29,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:29,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:29,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:29,268 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:29,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:29,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:52:29,969 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:29,975 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:29,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:29,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:29,992 INFO L87 Difference]: Start difference. First operand 546 states. Second operand 2 states. [2019-10-03 02:52:30,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:30,040 INFO L93 Difference]: Finished difference Result 509 states and 675 transitions. [2019-10-03 02:52:30,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:30,042 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 211 [2019-10-03 02:52:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:30,062 INFO L225 Difference]: With dead ends: 509 [2019-10-03 02:52:30,062 INFO L226 Difference]: Without dead ends: 500 [2019-10-03 02:52:30,064 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 02:52:30,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-10-03 02:52:30,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2019-10-03 02:52:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-10-03 02:52:30,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 664 transitions. [2019-10-03 02:52:30,156 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 664 transitions. Word has length 211 [2019-10-03 02:52:30,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:30,158 INFO L475 AbstractCegarLoop]: Abstraction has 500 states and 664 transitions. [2019-10-03 02:52:30,158 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 664 transitions. [2019-10-03 02:52:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-10-03 02:52:30,164 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:30,164 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:52:30,165 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:30,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:30,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1814113968, now seen corresponding path program 1 times [2019-10-03 02:52:30,165 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:30,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:30,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:30,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:30,170 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:30,454 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:30,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:30,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:30,455 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:30,468 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:30,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:30,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:30,471 INFO L87 Difference]: Start difference. First operand 500 states and 664 transitions. Second operand 3 states. [2019-10-03 02:52:30,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:30,531 INFO L93 Difference]: Finished difference Result 503 states and 667 transitions. [2019-10-03 02:52:30,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:30,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2019-10-03 02:52:30,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:30,536 INFO L225 Difference]: With dead ends: 503 [2019-10-03 02:52:30,536 INFO L226 Difference]: Without dead ends: 503 [2019-10-03 02:52:30,537 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 02:52:30,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2019-10-03 02:52:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 502. [2019-10-03 02:52:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2019-10-03 02:52:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 666 transitions. [2019-10-03 02:52:30,579 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 666 transitions. Word has length 212 [2019-10-03 02:52:30,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:30,581 INFO L475 AbstractCegarLoop]: Abstraction has 502 states and 666 transitions. [2019-10-03 02:52:30,581 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 666 transitions. [2019-10-03 02:52:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-03 02:52:30,590 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:30,591 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:52:30,591 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:30,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:30,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1188714336, now seen corresponding path program 1 times [2019-10-03 02:52:30,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:30,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:30,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:30,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:30,597 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:30,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:30,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:30,863 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:30,864 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:30,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:30,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:30,865 INFO L87 Difference]: Start difference. First operand 502 states and 666 transitions. Second operand 3 states. [2019-10-03 02:52:30,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:30,888 INFO L93 Difference]: Finished difference Result 543 states and 736 transitions. [2019-10-03 02:52:30,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:30,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-10-03 02:52:30,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:30,894 INFO L225 Difference]: With dead ends: 543 [2019-10-03 02:52:30,894 INFO L226 Difference]: Without dead ends: 543 [2019-10-03 02:52:30,895 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 02:52:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2019-10-03 02:52:30,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 542. [2019-10-03 02:52:30,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-03 02:52:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 735 transitions. [2019-10-03 02:52:30,917 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 735 transitions. Word has length 222 [2019-10-03 02:52:30,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:30,918 INFO L475 AbstractCegarLoop]: Abstraction has 542 states and 735 transitions. [2019-10-03 02:52:30,918 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:30,919 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 735 transitions. [2019-10-03 02:52:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-10-03 02:52:30,925 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:30,926 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:52:30,926 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:30,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:30,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1821969317, now seen corresponding path program 1 times [2019-10-03 02:52:30,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:30,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:30,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:30,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:30,934 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:31,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:31,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:31,167 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:31,168 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:31,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:31,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:31,168 INFO L87 Difference]: Start difference. First operand 542 states and 735 transitions. Second operand 3 states. [2019-10-03 02:52:31,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:31,191 INFO L93 Difference]: Finished difference Result 620 states and 868 transitions. [2019-10-03 02:52:31,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:31,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2019-10-03 02:52:31,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:31,196 INFO L225 Difference]: With dead ends: 620 [2019-10-03 02:52:31,196 INFO L226 Difference]: Without dead ends: 620 [2019-10-03 02:52:31,196 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 02:52:31,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2019-10-03 02:52:31,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 619. [2019-10-03 02:52:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2019-10-03 02:52:31,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 867 transitions. [2019-10-03 02:52:31,220 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 867 transitions. Word has length 223 [2019-10-03 02:52:31,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:31,220 INFO L475 AbstractCegarLoop]: Abstraction has 619 states and 867 transitions. [2019-10-03 02:52:31,221 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:31,221 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 867 transitions. [2019-10-03 02:52:31,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-10-03 02:52:31,227 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:31,228 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:52:31,228 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:31,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:31,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1508989344, now seen corresponding path program 1 times [2019-10-03 02:52:31,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:31,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:31,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:31,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:31,236 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:31,555 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:31,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:31,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:31,556 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:31,557 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:31,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:31,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:31,557 INFO L87 Difference]: Start difference. First operand 619 states and 867 transitions. Second operand 3 states. [2019-10-03 02:52:31,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:31,577 INFO L93 Difference]: Finished difference Result 768 states and 1120 transitions. [2019-10-03 02:52:31,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:31,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2019-10-03 02:52:31,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:31,583 INFO L225 Difference]: With dead ends: 768 [2019-10-03 02:52:31,583 INFO L226 Difference]: Without dead ends: 768 [2019-10-03 02:52:31,584 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 02:52:31,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2019-10-03 02:52:31,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 767. [2019-10-03 02:52:31,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2019-10-03 02:52:31,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1119 transitions. [2019-10-03 02:52:31,606 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1119 transitions. Word has length 224 [2019-10-03 02:52:31,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:31,607 INFO L475 AbstractCegarLoop]: Abstraction has 767 states and 1119 transitions. [2019-10-03 02:52:31,607 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:31,607 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1119 transitions. [2019-10-03 02:52:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-03 02:52:31,612 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:31,613 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:52:31,613 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:31,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:31,613 INFO L82 PathProgramCache]: Analyzing trace with hash -2014555995, now seen corresponding path program 1 times [2019-10-03 02:52:31,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:31,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:31,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:31,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:31,618 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:31,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:31,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:31,773 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:31,774 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:31,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:31,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:31,774 INFO L87 Difference]: Start difference. First operand 767 states and 1119 transitions. Second operand 3 states. [2019-10-03 02:52:31,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:31,796 INFO L93 Difference]: Finished difference Result 1052 states and 1600 transitions. [2019-10-03 02:52:31,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:31,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-10-03 02:52:31,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:31,803 INFO L225 Difference]: With dead ends: 1052 [2019-10-03 02:52:31,803 INFO L226 Difference]: Without dead ends: 1052 [2019-10-03 02:52:31,804 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 02:52:31,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-10-03 02:52:31,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1051. [2019-10-03 02:52:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2019-10-03 02:52:31,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1599 transitions. [2019-10-03 02:52:31,831 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1599 transitions. Word has length 225 [2019-10-03 02:52:31,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:31,832 INFO L475 AbstractCegarLoop]: Abstraction has 1051 states and 1599 transitions. [2019-10-03 02:52:31,832 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1599 transitions. [2019-10-03 02:52:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-03 02:52:31,838 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:31,839 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:52:31,839 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:31,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:31,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1949808246, now seen corresponding path program 1 times [2019-10-03 02:52:31,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:31,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:31,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:31,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:31,844 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:32,381 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-03 02:52:32,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:52:32,382 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:52:32,383 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2019-10-03 02:52:32,386 INFO L207 CegarAbsIntRunner]: [44], [46], [49], [51], [53], [56], [80], [83], [93], [138], [167], [170], [171], [172], [174], [284], [286], [290], [293], [294], [295], [298], [304], [326], [340], [342], [344], [351], [355], [368], [371], [380], [381], [383], [386], [390], [391], [393], [394], [397], [407], [408], [445], [447], [459], [481], [483], [503], [672], [674], [675], [676], [682], [685], [691], [712], [715], [729], [758], [759], [770], [772], [785], [787], [790], [794], [818], [822], [825], [833], [836], [867], [869], [894], [900], [909], [913], [915], [917], [920], [927], [934], [937], [939], [1073], [1076], [1090], [1198], [1270], [1274], [1275], [1278], [1284], [1285], [1288], [1289], [1292], [1295], [1326], [1327], [1329], [1412], [1415], [1421], [1442], [1445], [1459], [1465], [1468], [1477], [1666], [1668], [1670], [1672], [1673], [1685], [1686], [1687], [1688], [1689], [1690], [1691], [1709], [1719], [1720], [1721], [1722], [1723], [1724], [1727], [1728], [1729], [1730], [1731], [1733], [1734], [1735], [1736], [1743], [1749], [1750], [1751], [1752], [1757], [1759], [1765], [1766], [1769], [1770], [1771], [1783], [1784], [1797], [1798], [1799], [1800], [1801], [1819], [1820], [1833], [1834], [1835], [1837], [1838], [1843], [1844], [1845], [1846], [1847], [1848], [1849], [1850], [1851], [1853], [1854], [1855], [1856], [1871], [1872], [1883], [1889], [1890], [1905], [1907], [1908], [1909], [1911], [1912], [1913], [1914], [1915], [1916], [1917], [1929], [1930], [1931], [1932], [1933], [1934], [1935], [1936], [1937] [2019-10-03 02:52:32,433 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:52:32,433 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:52:32,570 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:52:32,572 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 255 root evaluator evaluations with a maximum evaluation depth of 0. Performed 255 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 372 variables. [2019-10-03 02:52:32,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:32,576 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:52:32,675 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:52:32,675 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:52:32,681 INFO L420 sIntCurrentIteration]: We unified 227 AI predicates to 227 [2019-10-03 02:52:32,682 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:52:32,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:52:32,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-10-03 02:52:32,683 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:32,684 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:32,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:32,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:32,684 INFO L87 Difference]: Start difference. First operand 1051 states and 1599 transitions. Second operand 2 states. [2019-10-03 02:52:32,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:32,685 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:52:32,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:32,685 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 228 [2019-10-03 02:52:32,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:32,685 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:52:32,686 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:52:32,686 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 227 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 02:52:32,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:52:32,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:52:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:52:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:52:32,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2019-10-03 02:52:32,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:32,687 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:52:32,687 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:52:32,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:52:32,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:52:32 BoogieIcfgContainer [2019-10-03 02:52:32,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:52:32,697 INFO L168 Benchmark]: Toolchain (without parser) took 7239.10 ms. Allocated memory was 131.6 MB in the beginning and 416.8 MB in the end (delta: 285.2 MB). Free memory was 83.5 MB in the beginning and 252.1 MB in the end (delta: -168.6 MB). Peak memory consumption was 116.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,698 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1225.80 ms. Allocated memory was 131.6 MB in the beginning and 202.4 MB in the end (delta: 70.8 MB). Free memory was 83.3 MB in the beginning and 131.3 MB in the end (delta: -48.0 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,700 INFO L168 Benchmark]: Boogie Preprocessor took 190.83 ms. Allocated memory is still 202.4 MB. Free memory was 131.3 MB in the beginning and 122.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,701 INFO L168 Benchmark]: RCFGBuilder took 2154.95 ms. Allocated memory was 202.4 MB in the beginning and 269.0 MB in the end (delta: 66.6 MB). Free memory was 122.4 MB in the beginning and 162.8 MB in the end (delta: -40.4 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,702 INFO L168 Benchmark]: TraceAbstraction took 3662.75 ms. Allocated memory was 269.0 MB in the beginning and 416.8 MB in the end (delta: 147.8 MB). Free memory was 162.8 MB in the beginning and 252.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,706 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1225.80 ms. Allocated memory was 131.6 MB in the beginning and 202.4 MB in the end (delta: 70.8 MB). Free memory was 83.3 MB in the beginning and 131.3 MB in the end (delta: -48.0 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 190.83 ms. Allocated memory is still 202.4 MB. Free memory was 131.3 MB in the beginning and 122.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2154.95 ms. Allocated memory was 202.4 MB in the beginning and 269.0 MB in the end (delta: 66.6 MB). Free memory was 122.4 MB in the beginning and 162.8 MB in the end (delta: -40.4 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3662.75 ms. Allocated memory was 269.0 MB in the beginning and 416.8 MB in the end (delta: 147.8 MB). Free memory was 162.8 MB in the beginning and 252.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2221]: 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 115 procedures, 795 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4031 SDtfs, 197 SDslu, 3288 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1051occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.1101321585903086 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 5 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1545 NumberOfCodeBlocks, 1545 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1538 ConstructedInterpolants, 0 QuantifiedInterpolants, 393726 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 293/297 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...