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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:12,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:12,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:12,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:12,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:12,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:12,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:12,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:12,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:12,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:12,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:12,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:12,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:12,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:12,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:12,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:12,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:12,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:12,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:12,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:13,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:13,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:13,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:13,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:13,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:13,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:13,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:13,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:13,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:13,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:13,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:13,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:13,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:13,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:13,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:13,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:13,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:13,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:13,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:13,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:13,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:13,015 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 02:52:13,037 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:13,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:13,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:13,038 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:13,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:13,039 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:13,039 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:13,040 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:13,040 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:13,040 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:13,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:13,042 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:13,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:13,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:13,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:13,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:13,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:13,044 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:13,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:13,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:13,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:13,045 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:13,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:13,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:13,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:13,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:13,046 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:13,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:13,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:13,047 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:13,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:13,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:13,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:13,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:13,118 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:13,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product25.cil.c [2019-10-03 02:52:13,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f1cd944/c98884e0f30e4294bfa87c1228afac86/FLAG73c7a2914 [2019-10-03 02:52:13,828 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:13,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product25.cil.c [2019-10-03 02:52:13,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f1cd944/c98884e0f30e4294bfa87c1228afac86/FLAG73c7a2914 [2019-10-03 02:52:14,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f1cd944/c98884e0f30e4294bfa87c1228afac86 [2019-10-03 02:52:14,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:14,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:14,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:14,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:14,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:14,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:14" (1/1) ... [2019-10-03 02:52:14,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d32cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:14, skipping insertion in model container [2019-10-03 02:52:14,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:14" (1/1) ... [2019-10-03 02:52:14,065 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:14,156 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:14,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:15,000 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:15,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:15,234 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:15,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:15 WrapperNode [2019-10-03 02:52:15,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:15,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:15,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:15,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:15,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:15" (1/1) ... [2019-10-03 02:52:15,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:15" (1/1) ... [2019-10-03 02:52:15,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:15" (1/1) ... [2019-10-03 02:52:15,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:15" (1/1) ... [2019-10-03 02:52:15,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:15" (1/1) ... [2019-10-03 02:52:15,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:15" (1/1) ... [2019-10-03 02:52:15,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:15" (1/1) ... [2019-10-03 02:52:15,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:52:15,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:52:15,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:52:15,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:52:15,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:15" (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 02:52:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:52:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:52:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:52:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:52:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:52:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:52:15,510 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:52:15,510 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:52:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:52:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:52:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:52:15,512 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:52:15,513 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:52:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:52:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:52:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:52:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:52:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:52:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:52:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:52:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:52:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:52:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:52:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:52:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:52:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:52:15,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:52:15,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:52:15,518 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:52:15,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:52:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:52:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:52:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:52:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:52:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:52:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:52:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:52:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:52:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:52:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:52:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:52:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:52:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:52:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:52:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:52:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:52:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:52:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:52:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:52:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:52:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:52:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:52:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:52:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:52:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:52:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:52:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:52:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:52:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:52:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:52:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:52:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:52:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:52:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:52:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:52:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:52:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:52:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:52:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:52:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:52:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:52:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:52:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:52:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:52:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:52:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:52:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:52:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:52:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:52:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:52:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:52:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:52:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:52:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:52:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:52:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:52:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:52:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:52:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:52:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:52:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:52:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:52:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:52:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:52:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:52:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:52:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:52:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:52:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:52:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:52:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:52:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:52:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:52:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:52:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:52:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:52:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:52:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:52:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:52:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:52:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:52:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:52:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:52:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:52:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:52:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:52:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:52:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:52:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:52:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:52:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:52:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:52:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:52:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:52:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:52:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:52:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:52:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:52:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:52:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:52:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:52:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:52:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:52:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:52:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:52:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:52:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:52:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:52:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:52:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:52:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:52:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:52:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:52:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:52:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:52:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:52:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:52:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:52:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:52:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:52:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:52:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:52:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:52:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:52:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:52:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:52:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:52:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:52:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:52:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:52:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:52:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:52:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:52:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:52:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:52:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:52:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:52:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:52:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:52:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:52:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:52:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:52:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:52:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:52:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:52:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:52:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:52:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:52:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:52:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:52:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:52:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:52:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:52:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:52:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:52:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:52:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:52:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:52:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:52:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:52:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:52:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:52:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:52:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:52:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:52:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:52:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:52:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:52:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:52:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:52:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:52:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:52:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:52:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:52:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:52:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:52:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:52:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:52:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:52:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:52:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:52:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:52:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:52:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:52:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:52:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:52:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:52:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:52:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:52:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:52:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:52:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:52:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:52:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:52:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:52:17,991 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:52:17,992 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:52:17,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:17 BoogieIcfgContainer [2019-10-03 02:52:17,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:52:17,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:52:17,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:52:17,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:52:17,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:14" (1/3) ... [2019-10-03 02:52:18,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7328a52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:18, skipping insertion in model container [2019-10-03 02:52:18,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:15" (2/3) ... [2019-10-03 02:52:18,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7328a52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:18, skipping insertion in model container [2019-10-03 02:52:18,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:17" (3/3) ... [2019-10-03 02:52:18,003 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product25.cil.c [2019-10-03 02:52:18,014 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:52:18,025 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:52:18,045 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:52:18,074 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:52:18,075 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:52:18,075 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:52:18,075 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:52:18,075 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:52:18,075 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:52:18,075 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:52:18,076 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:52:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states. [2019-10-03 02:52:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-03 02:52:18,136 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:18,139 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, 1, 1, 1, 1, 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 02:52:18,142 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:18,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:18,150 INFO L82 PathProgramCache]: Analyzing trace with hash -458917487, now seen corresponding path program 1 times [2019-10-03 02:52:18,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:18,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:18,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:18,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:18,226 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:18,907 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 02:52:18,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:18,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:52:18,910 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:18,957 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:18,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:18,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:18,983 INFO L87 Difference]: Start difference. First operand 589 states. Second operand 2 states. [2019-10-03 02:52:19,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:19,088 INFO L93 Difference]: Finished difference Result 569 states and 772 transitions. [2019-10-03 02:52:19,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:19,092 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 188 [2019-10-03 02:52:19,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:19,130 INFO L225 Difference]: With dead ends: 569 [2019-10-03 02:52:19,131 INFO L226 Difference]: Without dead ends: 560 [2019-10-03 02:52:19,133 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 02:52:19,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-10-03 02:52:19,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2019-10-03 02:52:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-10-03 02:52:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 761 transitions. [2019-10-03 02:52:19,269 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 761 transitions. Word has length 188 [2019-10-03 02:52:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:19,274 INFO L475 AbstractCegarLoop]: Abstraction has 560 states and 761 transitions. [2019-10-03 02:52:19,274 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 761 transitions. [2019-10-03 02:52:19,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-03 02:52:19,285 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:19,285 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, 1, 1, 1, 1, 1, 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 02:52:19,286 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:19,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:19,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1174707760, now seen corresponding path program 1 times [2019-10-03 02:52:19,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:19,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:19,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:19,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:19,292 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:19,598 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 02:52:19,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:19,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:19,599 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:19,606 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:19,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:19,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:19,607 INFO L87 Difference]: Start difference. First operand 560 states and 761 transitions. Second operand 3 states. [2019-10-03 02:52:19,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:19,668 INFO L93 Difference]: Finished difference Result 563 states and 764 transitions. [2019-10-03 02:52:19,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:19,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-03 02:52:19,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:19,677 INFO L225 Difference]: With dead ends: 563 [2019-10-03 02:52:19,677 INFO L226 Difference]: Without dead ends: 563 [2019-10-03 02:52:19,678 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 02:52:19,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2019-10-03 02:52:19,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 562. [2019-10-03 02:52:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2019-10-03 02:52:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 763 transitions. [2019-10-03 02:52:19,704 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 763 transitions. Word has length 189 [2019-10-03 02:52:19,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:19,704 INFO L475 AbstractCegarLoop]: Abstraction has 562 states and 763 transitions. [2019-10-03 02:52:19,704 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 763 transitions. [2019-10-03 02:52:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-03 02:52:19,709 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:19,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:19,709 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:19,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:19,710 INFO L82 PathProgramCache]: Analyzing trace with hash -980165084, now seen corresponding path program 1 times [2019-10-03 02:52:19,710 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:19,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:19,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:19,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:19,715 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:19,930 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 02:52:19,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:19,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:19,931 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:19,931 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:19,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:19,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:19,932 INFO L87 Difference]: Start difference. First operand 562 states and 763 transitions. Second operand 3 states. [2019-10-03 02:52:19,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:19,958 INFO L93 Difference]: Finished difference Result 605 states and 836 transitions. [2019-10-03 02:52:19,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:19,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2019-10-03 02:52:19,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:19,963 INFO L225 Difference]: With dead ends: 605 [2019-10-03 02:52:19,964 INFO L226 Difference]: Without dead ends: 605 [2019-10-03 02:52:19,964 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 02:52:19,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2019-10-03 02:52:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 604. [2019-10-03 02:52:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2019-10-03 02:52:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 835 transitions. [2019-10-03 02:52:19,984 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 835 transitions. Word has length 195 [2019-10-03 02:52:19,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:19,985 INFO L475 AbstractCegarLoop]: Abstraction has 604 states and 835 transitions. [2019-10-03 02:52:19,985 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 835 transitions. [2019-10-03 02:52:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-03 02:52:19,989 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:19,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:19,990 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:19,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:19,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1952461671, now seen corresponding path program 1 times [2019-10-03 02:52:19,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:19,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:19,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:19,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:19,995 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:20,199 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 02:52:20,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:20,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:52:20,200 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:20,200 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:52:20,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:52:20,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:52:20,201 INFO L87 Difference]: Start difference. First operand 604 states and 835 transitions. Second operand 8 states. [2019-10-03 02:52:20,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:20,264 INFO L93 Difference]: Finished difference Result 604 states and 834 transitions. [2019-10-03 02:52:20,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:52:20,265 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2019-10-03 02:52:20,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:20,271 INFO L225 Difference]: With dead ends: 604 [2019-10-03 02:52:20,272 INFO L226 Difference]: Without dead ends: 604 [2019-10-03 02:52:20,272 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 02:52:20,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2019-10-03 02:52:20,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 604. [2019-10-03 02:52:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2019-10-03 02:52:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 834 transitions. [2019-10-03 02:52:20,294 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 834 transitions. Word has length 196 [2019-10-03 02:52:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:20,295 INFO L475 AbstractCegarLoop]: Abstraction has 604 states and 834 transitions. [2019-10-03 02:52:20,295 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:52:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 834 transitions. [2019-10-03 02:52:20,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-10-03 02:52:20,299 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:20,299 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, 1, 1, 1, 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 02:52:20,299 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:20,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:20,300 INFO L82 PathProgramCache]: Analyzing trace with hash 988756676, now seen corresponding path program 1 times [2019-10-03 02:52:20,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:20,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:20,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:20,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:20,305 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:20,572 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 02:52:20,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:20,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:52:20,573 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:20,573 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:52:20,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:52:20,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:52:20,575 INFO L87 Difference]: Start difference. First operand 604 states and 834 transitions. Second operand 7 states. [2019-10-03 02:52:23,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:23,967 INFO L93 Difference]: Finished difference Result 904 states and 1228 transitions. [2019-10-03 02:52:23,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 02:52:23,968 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2019-10-03 02:52:23,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:23,975 INFO L225 Difference]: With dead ends: 904 [2019-10-03 02:52:23,975 INFO L226 Difference]: Without dead ends: 900 [2019-10-03 02:52:23,976 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:52:23,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2019-10-03 02:52:24,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 891. [2019-10-03 02:52:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2019-10-03 02:52:24,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1211 transitions. [2019-10-03 02:52:24,010 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1211 transitions. Word has length 203 [2019-10-03 02:52:24,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:24,011 INFO L475 AbstractCegarLoop]: Abstraction has 891 states and 1211 transitions. [2019-10-03 02:52:24,011 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:52:24,011 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1211 transitions. [2019-10-03 02:52:24,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-03 02:52:24,015 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:24,016 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, 1, 1, 1, 1, 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 02:52:24,016 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:24,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:24,016 INFO L82 PathProgramCache]: Analyzing trace with hash -866609900, now seen corresponding path program 1 times [2019-10-03 02:52:24,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:24,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:24,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:24,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:24,021 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:24,572 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 02:52:24,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:24,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-10-03 02:52:24,573 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:24,573 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-03 02:52:24,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-03 02:52:24,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2019-10-03 02:52:24,574 INFO L87 Difference]: Start difference. First operand 891 states and 1211 transitions. Second operand 26 states. [2019-10-03 02:52:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:25,422 INFO L93 Difference]: Finished difference Result 1024 states and 1387 transitions. [2019-10-03 02:52:25,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-03 02:52:25,423 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 204 [2019-10-03 02:52:25,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:25,438 INFO L225 Difference]: With dead ends: 1024 [2019-10-03 02:52:25,439 INFO L226 Difference]: Without dead ends: 1016 [2019-10-03 02:52:25,440 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2019-10-03 02:52:25,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2019-10-03 02:52:25,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1011. [2019-10-03 02:52:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1011 states. [2019-10-03 02:52:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1368 transitions. [2019-10-03 02:52:25,514 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1368 transitions. Word has length 204 [2019-10-03 02:52:25,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:25,517 INFO L475 AbstractCegarLoop]: Abstraction has 1011 states and 1368 transitions. [2019-10-03 02:52:25,517 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-03 02:52:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1368 transitions. [2019-10-03 02:52:25,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-03 02:52:25,523 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:25,523 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:25,523 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:25,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:25,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1569565684, now seen corresponding path program 1 times [2019-10-03 02:52:25,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:25,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:25,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:25,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:25,529 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-10-03 02:52:25,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:52:25,891 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:52:25,893 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 236 with the following transitions: [2019-10-03 02:52:25,896 INFO L207 CegarAbsIntRunner]: [44], [57], [59], [62], [64], [66], [69], [93], [96], [106], [140], [143], [153], [154], [183], [186], [187], [188], [190], [300], [302], [306], [309], [310], [311], [314], [320], [342], [345], [348], [357], [368], [369], [370], [372], [373], [376], [386], [387], [417], [419], [422], [424], [427], [433], [435], [438], [440], [442], [445], [453], [483], [486], [492], [642], [644], [645], [646], [654], [657], [663], [684], [687], [701], [730], [733], [739], [740], [742], [745], [746], [747], [750], [756], [757], [759], [762], [766], [790], [794], [797], [805], [808], [830], [836], [845], [849], [851], [853], [856], [863], [870], [873], [1011], [1013], [1030], [1159], [1213], [1235], [1236], [1239], [1245], [1246], [1249], [1250], [1253], [1256], [1287], [1290], [1292], [1405], [1408], [1422], [1428], [1431], [1440], [1441], [1444], [1453], [1634], [1636], [1638], [1640], [1641], [1653], [1661], [1662], [1663], [1664], [1665], [1666], [1667], [1687], [1697], [1698], [1699], [1700], [1701], [1702], [1705], [1706], [1707], [1708], [1709], [1711], [1712], [1713], [1714], [1721], [1727], [1728], [1729], [1735], [1736], [1737], [1738], [1739], [1740], [1741], [1742], [1743], [1744], [1745], [1746], [1747], [1748], [1769], [1770], [1785], [1786], [1787], [1789], [1790], [1795], [1796], [1797], [1798], [1799], [1800], [1801], [1802], [1803], [1805], [1806], [1807], [1808], [1815], [1816], [1817], [1841], [1843], [1844], [1861], [1863], [1864], [1865], [1867], [1868], [1869], [1870], [1871], [1872], [1873], [1893], [1894], [1895], [1896], [1897], [1898], [1899], [1900], [1901] [2019-10-03 02:52:25,947 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:52:25,947 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:52:26,101 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:52:26,103 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 203 root evaluator evaluations with a maximum evaluation depth of 0. Performed 203 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 372 variables. [2019-10-03 02:52:26,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:26,109 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:52:26,238 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:52:26,238 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:52:26,248 INFO L420 sIntCurrentIteration]: We unified 234 AI predicates to 234 [2019-10-03 02:52:26,249 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:52:26,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:52:26,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-10-03 02:52:26,250 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:26,252 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:26,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:26,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:26,252 INFO L87 Difference]: Start difference. First operand 1011 states and 1368 transitions. Second operand 2 states. [2019-10-03 02:52:26,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:26,253 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:52:26,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:26,253 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 235 [2019-10-03 02:52:26,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:26,254 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:52:26,254 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:52:26,254 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 234 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 02:52:26,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:52:26,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:52:26,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:52:26,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:52:26,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 235 [2019-10-03 02:52:26,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:26,255 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:52:26,256 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:26,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:52:26,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:52:26,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:52:26 BoogieIcfgContainer [2019-10-03 02:52:26,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:52:26,264 INFO L168 Benchmark]: Toolchain (without parser) took 12215.15 ms. Allocated memory was 138.9 MB in the beginning and 482.9 MB in the end (delta: 343.9 MB). Free memory was 83.5 MB in the beginning and 381.7 MB in the end (delta: -298.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:26,265 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-03 02:52:26,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1186.66 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 83.1 MB in the beginning and 132.4 MB in the end (delta: -49.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:26,267 INFO L168 Benchmark]: Boogie Preprocessor took 184.42 ms. Allocated memory is still 200.8 MB. Free memory was 132.4 MB in the beginning and 123.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:26,268 INFO L168 Benchmark]: RCFGBuilder took 2573.59 ms. Allocated memory was 200.8 MB in the beginning and 269.0 MB in the end (delta: 68.2 MB). Free memory was 123.5 MB in the beginning and 167.2 MB in the end (delta: -43.7 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:26,269 INFO L168 Benchmark]: TraceAbstraction took 8266.01 ms. Allocated memory was 269.0 MB in the beginning and 482.9 MB in the end (delta: 213.9 MB). Free memory was 167.2 MB in the beginning and 381.7 MB in the end (delta: -214.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:52:26,273 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1186.66 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 83.1 MB in the beginning and 132.4 MB in the end (delta: -49.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 184.42 ms. Allocated memory is still 200.8 MB. Free memory was 132.4 MB in the beginning and 123.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2573.59 ms. Allocated memory was 200.8 MB in the beginning and 269.0 MB in the end (delta: 68.2 MB). Free memory was 123.5 MB in the beginning and 167.2 MB in the end (delta: -43.7 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8266.01 ms. Allocated memory was 269.0 MB in the beginning and 482.9 MB in the end (delta: 213.9 MB). Free memory was 167.2 MB in the beginning and 381.7 MB in the end (delta: -214.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2628]: 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, 780 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4520 SDtfs, 1385 SDslu, 24898 SDs, 0 SdLazy, 3250 SolverSat, 528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 313 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1011occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.094017094017094 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 16 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1410 NumberOfCodeBlocks, 1410 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1403 ConstructedInterpolants, 0 QuantifiedInterpolants, 361970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 213/215 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...