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_spec11_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:39:39,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:39:39,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:39:39,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:39:39,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:39:39,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:39:39,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:39:39,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:39:39,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:39:39,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:39:39,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:39:39,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:39:39,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:39:39,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:39:39,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:39:39,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:39:39,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:39:39,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:39:39,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:39:39,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:39:39,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:39:39,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:39:39,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:39:39,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:39:39,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:39:39,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:39:39,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:39:39,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:39:39,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:39:39,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:39:39,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:39:39,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:39:39,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:39:39,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:39:39,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:39:39,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:39:39,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:39:39,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:39:39,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:39:39,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:39:39,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:39:39,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:39:39,517 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:39:39,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:39:39,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:39:39,518 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:39:39,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:39:39,519 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:39:39,519 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:39:39,519 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:39:39,519 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:39:39,520 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:39:39,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:39:39,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:39:39,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:39:39,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:39:39,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:39:39,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:39:39,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:39:39,522 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:39:39,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:39:39,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:39:39,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:39:39,523 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:39:39,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:39:39,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:39:39,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:39:39,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:39:39,524 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:39:39,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:39:39,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:39:39,525 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:39:39,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:39:39,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:39:39,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:39:39,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:39:39,593 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:39:39,594 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product33.cil.c [2019-09-10 02:39:39,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/712923fdd/eb8eca437b2845ab9cb876834109848d/FLAGc71ff423f [2019-09-10 02:39:40,328 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:39:40,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product33.cil.c [2019-09-10 02:39:40,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/712923fdd/eb8eca437b2845ab9cb876834109848d/FLAGc71ff423f [2019-09-10 02:39:40,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/712923fdd/eb8eca437b2845ab9cb876834109848d [2019-09-10 02:39:40,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:39:40,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:39:40,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:40,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:39:40,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:39:40,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:40" (1/1) ... [2019-09-10 02:39:40,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2914a9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:40, skipping insertion in model container [2019-09-10 02:39:40,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:40" (1/1) ... [2019-09-10 02:39:40,508 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:39:40,590 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:39:41,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:41,418 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:39:41,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:41,698 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:39:41,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:41 WrapperNode [2019-09-10 02:39:41,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:41,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:39:41,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:39:41,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:39:41,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:41" (1/1) ... [2019-09-10 02:39:41,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:41" (1/1) ... [2019-09-10 02:39:41,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:41" (1/1) ... [2019-09-10 02:39:41,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:41" (1/1) ... [2019-09-10 02:39:41,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:41" (1/1) ... [2019-09-10 02:39:41,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:41" (1/1) ... [2019-09-10 02:39:41,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:41" (1/1) ... [2019-09-10 02:39:41,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:39:41,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:39:41,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:39:41,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:39:41,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:39:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:39:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:39:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:39:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:39:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:39:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:39:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:39:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:39:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:39:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:39:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:39:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:39:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:39:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:39:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:39:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:39:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:39:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:39:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:39:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:39:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:39:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:39:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:39:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:39:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:39:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:39:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:39:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:39:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:39:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:39:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:39:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:39:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-09-10 02:39:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:39:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:39:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:39:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:39:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:39:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:39:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:39:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:39:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:39:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:39:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:39:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:39:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:39:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:39:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:39:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:39:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:39:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:39:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:39:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:39:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:39:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:39:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:39:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:39:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:39:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:39:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:39:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:39:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:39:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:39:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:39:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:39:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:39:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:39:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:39:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:39:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:39:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:39:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:39:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:39:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:39:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:39:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:39:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:39:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:39:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:39:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:39:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:39:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:39:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:39:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:39:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:39:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:39:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:39:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:39:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:39:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:39:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:39:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:39:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:39:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:39:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:39:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:39:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:39:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:39:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:39:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:39:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:39:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:39:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:39:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:39:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:39:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:39:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:39:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:39:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:39:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:39:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:39:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:39:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:39:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:39:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:39:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:39:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:39:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:39:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:39:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:39:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:39:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:39:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:39:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:39:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:39:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:39:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:39:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:39:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:39:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:39:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:39:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:39:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:39:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:39:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:39:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:39:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:39:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:39:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:39:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:39:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:39:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:39:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:39:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:39:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:39:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:39:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:39:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:39:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:39:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:39:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:39:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:39:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:39:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:39:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:39:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:39:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:39:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:39:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:39:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:39:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:39:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-09-10 02:39:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:39:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:39:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:39:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:39:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:39:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:39:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:39:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:39:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:39:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:39:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:39:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:39:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:39:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:39:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:39:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:39:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:39:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:39:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:39:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:39:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:39:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:39:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:39:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:39:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:39:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:39:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:39:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:39:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:39:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:39:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:39:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:39:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:39:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:39:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:39:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:39:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:39:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:39:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:39:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:39:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:39:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:39:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:39:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:39:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:39:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:39:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:39:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:39:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:39:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:39:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:39:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:39:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:39:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:39:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:39:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:39:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:39:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:39:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:39:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:39:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:39:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:39:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:39:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:39:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:39:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:39:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:39:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:39:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:39:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:39:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:39:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:39:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:39:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:39:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:39:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:39:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:39:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:39:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:39:44,249 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:39:44,250 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:39:44,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:44 BoogieIcfgContainer [2019-09-10 02:39:44,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:39:44,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:39:44,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:39:44,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:39:44,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:39:40" (1/3) ... [2019-09-10 02:39:44,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46076031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:44, skipping insertion in model container [2019-09-10 02:39:44,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:41" (2/3) ... [2019-09-10 02:39:44,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46076031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:44, skipping insertion in model container [2019-09-10 02:39:44,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:44" (3/3) ... [2019-09-10 02:39:44,262 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product33.cil.c [2019-09-10 02:39:44,273 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:39:44,287 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:39:44,307 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:39:44,346 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:39:44,346 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:39:44,347 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:39:44,347 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:39:44,356 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:39:44,356 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:39:44,356 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:39:44,357 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:39:44,397 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states. [2019-09-10 02:39:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-09-10 02:39:44,441 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:44,447 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2019-09-10 02:39:44,451 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:44,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:44,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1359243450, now seen corresponding path program 1 times [2019-09-10 02:39:44,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:44,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:44,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:44,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:44,516 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-09-10 02:39:45,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:45,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:39:45,201 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:45,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:39:45,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:39:45,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:45,227 INFO L87 Difference]: Start difference. First operand 587 states. Second operand 2 states. [2019-09-10 02:39:45,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:45,287 INFO L93 Difference]: Finished difference Result 573 states and 755 transitions. [2019-09-10 02:39:45,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:39:45,289 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 218 [2019-09-10 02:39:45,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:45,317 INFO L225 Difference]: With dead ends: 573 [2019-09-10 02:39:45,317 INFO L226 Difference]: Without dead ends: 564 [2019-09-10 02:39:45,319 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:45,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-09-10 02:39:45,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 564. [2019-09-10 02:39:45,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-09-10 02:39:45,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 744 transitions. [2019-09-10 02:39:45,415 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 744 transitions. Word has length 218 [2019-09-10 02:39:45,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:45,418 INFO L475 AbstractCegarLoop]: Abstraction has 564 states and 744 transitions. [2019-09-10 02:39:45,418 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:39:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 744 transitions. [2019-09-10 02:39:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-09-10 02:39:45,424 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:45,425 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2019-09-10 02:39:45,425 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:45,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:45,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1875979092, now seen corresponding path program 1 times [2019-09-10 02:39:45,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:45,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:45,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:45,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:45,428 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-09-10 02:39:45,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:45,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:45,679 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:45,682 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:45,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:45,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:45,683 INFO L87 Difference]: Start difference. First operand 564 states and 744 transitions. Second operand 3 states. [2019-09-10 02:39:45,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:45,738 INFO L93 Difference]: Finished difference Result 567 states and 747 transitions. [2019-09-10 02:39:45,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:45,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-09-10 02:39:45,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:45,748 INFO L225 Difference]: With dead ends: 567 [2019-09-10 02:39:45,748 INFO L226 Difference]: Without dead ends: 567 [2019-09-10 02:39:45,749 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:45,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2019-09-10 02:39:45,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 566. [2019-09-10 02:39:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2019-09-10 02:39:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 746 transitions. [2019-09-10 02:39:45,812 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 746 transitions. Word has length 219 [2019-09-10 02:39:45,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:45,813 INFO L475 AbstractCegarLoop]: Abstraction has 566 states and 746 transitions. [2019-09-10 02:39:45,813 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 746 transitions. [2019-09-10 02:39:45,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-09-10 02:39:45,818 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:45,818 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2019-09-10 02:39:45,818 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:45,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:45,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1298446294, now seen corresponding path program 1 times [2019-09-10 02:39:45,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:45,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:45,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:45,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:45,821 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-09-10 02:39:46,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:46,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:46,058 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:46,059 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:46,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:46,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:46,060 INFO L87 Difference]: Start difference. First operand 566 states and 746 transitions. Second operand 3 states. [2019-09-10 02:39:46,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:46,089 INFO L93 Difference]: Finished difference Result 609 states and 819 transitions. [2019-09-10 02:39:46,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:46,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-09-10 02:39:46,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:46,095 INFO L225 Difference]: With dead ends: 609 [2019-09-10 02:39:46,095 INFO L226 Difference]: Without dead ends: 609 [2019-09-10 02:39:46,096 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:46,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2019-09-10 02:39:46,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 608. [2019-09-10 02:39:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2019-09-10 02:39:46,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 818 transitions. [2019-09-10 02:39:46,122 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 818 transitions. Word has length 231 [2019-09-10 02:39:46,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:46,123 INFO L475 AbstractCegarLoop]: Abstraction has 608 states and 818 transitions. [2019-09-10 02:39:46,123 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:46,123 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 818 transitions. [2019-09-10 02:39:46,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-09-10 02:39:46,128 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:46,128 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2019-09-10 02:39:46,129 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:46,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:46,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1265412582, now seen corresponding path program 1 times [2019-09-10 02:39:46,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:46,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:46,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:46,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:46,131 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-09-10 02:39:46,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:46,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:46,293 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:46,294 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:46,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:46,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:46,294 INFO L87 Difference]: Start difference. First operand 608 states and 818 transitions. Second operand 3 states. [2019-09-10 02:39:46,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:46,328 INFO L93 Difference]: Finished difference Result 690 states and 957 transitions. [2019-09-10 02:39:46,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:46,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2019-09-10 02:39:46,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:46,336 INFO L225 Difference]: With dead ends: 690 [2019-09-10 02:39:46,336 INFO L226 Difference]: Without dead ends: 690 [2019-09-10 02:39:46,337 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:46,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2019-09-10 02:39:46,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 689. [2019-09-10 02:39:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2019-09-10 02:39:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 956 transitions. [2019-09-10 02:39:46,379 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 956 transitions. Word has length 232 [2019-09-10 02:39:46,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:46,379 INFO L475 AbstractCegarLoop]: Abstraction has 689 states and 956 transitions. [2019-09-10 02:39:46,380 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:46,380 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 956 transitions. [2019-09-10 02:39:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-09-10 02:39:46,387 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:46,387 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2019-09-10 02:39:46,388 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:46,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:46,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1880948969, now seen corresponding path program 1 times [2019-09-10 02:39:46,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:46,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:46,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:46,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:46,390 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-09-10 02:39:47,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:47,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-10 02:39:47,090 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:47,091 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-10 02:39:47,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-10 02:39:47,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2019-09-10 02:39:47,093 INFO L87 Difference]: Start difference. First operand 689 states and 956 transitions. Second operand 19 states. [2019-09-10 02:39:53,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:53,184 INFO L93 Difference]: Finished difference Result 2027 states and 2818 transitions. [2019-09-10 02:39:53,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-09-10 02:39:53,184 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 235 [2019-09-10 02:39:53,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:53,203 INFO L225 Difference]: With dead ends: 2027 [2019-09-10 02:39:53,203 INFO L226 Difference]: Without dead ends: 2027 [2019-09-10 02:39:53,205 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=287, Invalid=2683, Unknown=0, NotChecked=0, Total=2970 [2019-09-10 02:39:53,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2019-09-10 02:39:53,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1990. [2019-09-10 02:39:53,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1990 states. [2019-09-10 02:39:53,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2766 transitions. [2019-09-10 02:39:53,303 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2766 transitions. Word has length 235 [2019-09-10 02:39:53,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:53,306 INFO L475 AbstractCegarLoop]: Abstraction has 1990 states and 2766 transitions. [2019-09-10 02:39:53,306 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-10 02:39:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2766 transitions. [2019-09-10 02:39:53,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-09-10 02:39:53,313 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:53,314 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2019-09-10 02:39:53,314 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:53,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:53,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1271254735, now seen corresponding path program 1 times [2019-09-10 02:39:53,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:53,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:53,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:53,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:53,317 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:53,628 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-10 02:39:53,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:53,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-10 02:39:53,629 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:53,630 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-10 02:39:53,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-10 02:39:53,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-10 02:39:53,631 INFO L87 Difference]: Start difference. First operand 1990 states and 2766 transitions. Second operand 11 states. [2019-09-10 02:39:54,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:54,021 INFO L93 Difference]: Finished difference Result 2064 states and 2880 transitions. [2019-09-10 02:39:54,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 02:39:54,022 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 236 [2019-09-10 02:39:54,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:54,034 INFO L225 Difference]: With dead ends: 2064 [2019-09-10 02:39:54,034 INFO L226 Difference]: Without dead ends: 2048 [2019-09-10 02:39:54,034 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-09-10 02:39:54,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2019-09-10 02:39:54,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 2048. [2019-09-10 02:39:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2048 states. [2019-09-10 02:39:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 2859 transitions. [2019-09-10 02:39:54,105 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 2859 transitions. Word has length 236 [2019-09-10 02:39:54,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:54,106 INFO L475 AbstractCegarLoop]: Abstraction has 2048 states and 2859 transitions. [2019-09-10 02:39:54,106 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-10 02:39:54,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2859 transitions. [2019-09-10 02:39:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-09-10 02:39:54,113 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:54,113 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2019-09-10 02:39:54,113 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:54,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:54,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1218781435, now seen corresponding path program 1 times [2019-09-10 02:39:54,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:54,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:54,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:54,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:54,115 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-09-10 02:39:54,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:54,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-10 02:39:54,431 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:54,432 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-10 02:39:54,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-10 02:39:54,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-09-10 02:39:54,432 INFO L87 Difference]: Start difference. First operand 2048 states and 2859 transitions. Second operand 15 states. [2019-09-10 02:39:58,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:58,668 INFO L93 Difference]: Finished difference Result 2164 states and 3039 transitions. [2019-09-10 02:39:58,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-09-10 02:39:58,669 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 236 [2019-09-10 02:39:58,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:58,682 INFO L225 Difference]: With dead ends: 2164 [2019-09-10 02:39:58,682 INFO L226 Difference]: Without dead ends: 2164 [2019-09-10 02:39:58,683 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=1933, Unknown=0, NotChecked=0, Total=2162 [2019-09-10 02:39:58,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2019-09-10 02:39:58,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 2122. [2019-09-10 02:39:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2019-09-10 02:39:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 2981 transitions. [2019-09-10 02:39:58,784 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 2981 transitions. Word has length 236 [2019-09-10 02:39:58,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:58,784 INFO L475 AbstractCegarLoop]: Abstraction has 2122 states and 2981 transitions. [2019-09-10 02:39:58,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-10 02:39:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2981 transitions. [2019-09-10 02:39:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-09-10 02:39:58,794 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:58,795 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2019-09-10 02:39:58,795 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:58,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:58,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1764234845, now seen corresponding path program 1 times [2019-09-10 02:39:58,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:58,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:58,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:58,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:58,797 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-09-10 02:39:59,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:59,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-10 02:39:59,113 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:59,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-10 02:39:59,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-10 02:39:59,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-09-10 02:39:59,116 INFO L87 Difference]: Start difference. First operand 2122 states and 2981 transitions. Second operand 16 states. [2019-09-10 02:39:59,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:59,459 INFO L93 Difference]: Finished difference Result 2169 states and 3030 transitions. [2019-09-10 02:39:59,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-10 02:39:59,460 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 236 [2019-09-10 02:39:59,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:59,476 INFO L225 Difference]: With dead ends: 2169 [2019-09-10 02:39:59,476 INFO L226 Difference]: Without dead ends: 2137 [2019-09-10 02:39:59,477 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2019-09-10 02:39:59,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2019-09-10 02:39:59,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 2109. [2019-09-10 02:39:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2019-09-10 02:39:59,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2939 transitions. [2019-09-10 02:39:59,559 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2939 transitions. Word has length 236 [2019-09-10 02:39:59,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:59,560 INFO L475 AbstractCegarLoop]: Abstraction has 2109 states and 2939 transitions. [2019-09-10 02:39:59,560 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-10 02:39:59,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2939 transitions. [2019-09-10 02:39:59,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-09-10 02:39:59,570 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:59,570 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2019-09-10 02:39:59,570 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:59,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:59,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1072234906, now seen corresponding path program 1 times [2019-09-10 02:39:59,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:59,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:59,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:59,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:59,572 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:59,800 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-10 02:39:59,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:59,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:39:59,801 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:59,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:39:59,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:39:59,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:39:59,802 INFO L87 Difference]: Start difference. First operand 2109 states and 2939 transitions. Second operand 5 states. [2019-09-10 02:40:01,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:01,341 INFO L93 Difference]: Finished difference Result 4515 states and 6264 transitions. [2019-09-10 02:40:01,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:40:01,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2019-09-10 02:40:01,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:01,368 INFO L225 Difference]: With dead ends: 4515 [2019-09-10 02:40:01,369 INFO L226 Difference]: Without dead ends: 4515 [2019-09-10 02:40:01,370 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:40:01,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4515 states. [2019-09-10 02:40:01,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4515 to 4484. [2019-09-10 02:40:01,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4484 states. [2019-09-10 02:40:01,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4484 states to 4484 states and 6217 transitions. [2019-09-10 02:40:01,538 INFO L78 Accepts]: Start accepts. Automaton has 4484 states and 6217 transitions. Word has length 236 [2019-09-10 02:40:01,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:01,539 INFO L475 AbstractCegarLoop]: Abstraction has 4484 states and 6217 transitions. [2019-09-10 02:40:01,539 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:40:01,539 INFO L276 IsEmpty]: Start isEmpty. Operand 4484 states and 6217 transitions. [2019-09-10 02:40:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-09-10 02:40:01,552 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:01,552 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2019-09-10 02:40:01,552 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:01,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:01,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1057984761, now seen corresponding path program 1 times [2019-09-10 02:40:01,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:01,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:01,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:01,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:01,555 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:01,768 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-10 02:40:01,768 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:40:01,768 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:40:01,771 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2019-09-10 02:40:01,774 INFO L207 CegarAbsIntRunner]: [44], [72], [75], [85], [130], [159], [162], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [318], [321], [324], [332], [334], [336], [343], [347], [349], [360], [363], [372], [373], [375], [378], [382], [383], [385], [386], [389], [399], [400], [401], [412], [414], [419], [439], [441], [453], [475], [477], [497], [670], [672], [673], [674], [712], [715], [729], [768], [770], [773], [774], [785], [787], [790], [794], [818], [822], [825], [833], [836], [854], [876], [878], [903], [909], [918], [922], [924], [926], [929], [936], [943], [946], [948], [1084], [1087], [1101], [1209], [1281], [1285], [1296], [1299], [1300], [1303], [1307], [1311], [1337], [1338], [1340], [1409], [1412], [1422], [1423], [1426], [1432], [1453], [1456], [1470], [1476], [1479], [1488], [1677], [1679], [1681], [1683], [1684], [1696], [1720], [1730], [1731], [1732], [1733], [1734], [1735], [1738], [1739], [1740], [1741], [1742], [1744], [1745], [1746], [1747], [1754], [1755], [1756], [1757], [1758], [1760], [1761], [1762], [1763], [1768], [1770], [1771], [1776], [1777], [1780], [1781], [1786], [1787], [1788], [1790], [1791], [1804], [1805], [1806], [1807], [1808], [1830], [1831], [1846], [1847], [1848], [1850], [1851], [1856], [1857], [1858], [1859], [1860], [1861], [1862], [1863], [1864], [1866], [1867], [1868], [1869], [1884], [1892], [1893], [1904], [1910], [1911], [1928], [1930], [1931], [1932], [1934], [1935], [1936], [1937], [1938], [1939], [1940], [1952], [1953], [1954], [1955], [1956], [1957], [1958], [1959], [1960] [2019-09-10 02:40:01,846 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:40:01,846 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:40:01,979 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:40:01,981 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 268 root evaluator evaluations with a maximum evaluation depth of 0. Performed 268 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 376 variables. [2019-09-10 02:40:01,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:01,986 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:40:02,069 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:40:02,069 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:40:02,081 INFO L420 sIntCurrentIteration]: We unified 235 AI predicates to 235 [2019-09-10 02:40:02,081 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:40:02,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:40:02,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 02:40:02,085 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:02,086 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:02,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:02,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:02,087 INFO L87 Difference]: Start difference. First operand 4484 states and 6217 transitions. Second operand 2 states. [2019-09-10 02:40:02,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:02,087 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:40:02,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:02,088 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 236 [2019-09-10 02:40:02,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:02,088 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:40:02,088 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:40:02,088 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:02,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:40:02,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:40:02,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:40:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:40:02,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2019-09-10 02:40:02,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:02,090 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:40:02,090 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:02,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:40:02,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:40:02,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:40:02 BoogieIcfgContainer [2019-09-10 02:40:02,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:40:02,105 INFO L168 Benchmark]: Toolchain (without parser) took 21610.78 ms. Allocated memory was 132.6 MB in the beginning and 586.7 MB in the end (delta: 454.0 MB). Free memory was 86.6 MB in the beginning and 240.6 MB in the end (delta: -153.9 MB). Peak memory consumption was 300.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:02,106 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:40:02,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1206.34 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.2 MB in the beginning and 128.3 MB in the end (delta: -42.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:02,113 INFO L168 Benchmark]: Boogie Preprocessor took 244.41 ms. Allocated memory is still 200.3 MB. Free memory was 128.3 MB in the beginning and 118.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:02,117 INFO L168 Benchmark]: RCFGBuilder took 2307.95 ms. Allocated memory was 200.3 MB in the beginning and 265.8 MB in the end (delta: 65.5 MB). Free memory was 118.9 MB in the beginning and 156.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:02,120 INFO L168 Benchmark]: TraceAbstraction took 17847.54 ms. Allocated memory was 265.8 MB in the beginning and 586.7 MB in the end (delta: 320.9 MB). Free memory was 156.6 MB in the beginning and 240.6 MB in the end (delta: -84.0 MB). Peak memory consumption was 236.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:02,127 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 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1206.34 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.2 MB in the beginning and 128.3 MB in the end (delta: -42.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 244.41 ms. Allocated memory is still 200.3 MB. Free memory was 128.3 MB in the beginning and 118.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2307.95 ms. Allocated memory was 200.3 MB in the beginning and 265.8 MB in the end (delta: 65.5 MB). Free memory was 118.9 MB in the beginning and 156.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17847.54 ms. Allocated memory was 265.8 MB in the beginning and 586.7 MB in the end (delta: 320.9 MB). Free memory was 156.6 MB in the beginning and 240.6 MB in the end (delta: -84.0 MB). Peak memory consumption was 236.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3037]: 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 118 procedures, 809 locations, 1 error locations. SAFE Result, 17.7s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 12.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8393 SDtfs, 6376 SDslu, 50985 SDs, 0 SdLazy, 7679 SolverSat, 1403 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 421 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1261 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4484occurred in iteration=9, 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, 2.0808510638297872 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 141 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2315 NumberOfCodeBlocks, 2315 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2305 ConstructedInterpolants, 0 QuantifiedInterpolants, 697793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 470/476 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...