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_spec0_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:49:38,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:49:38,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:49:38,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:49:38,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:49:38,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:49:38,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:49:38,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:49:38,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:49:38,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:49:38,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:49:38,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:49:38,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:49:38,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:49:38,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:49:38,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:49:38,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:49:38,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:49:38,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:49:38,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:49:38,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:49:38,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:49:38,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:49:38,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:49:38,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:49:38,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:49:38,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:49:38,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:49:38,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:49:38,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:49:38,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:49:38,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:49:38,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:49:38,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:49:38,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:49:38,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:49:38,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:49:38,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:49:38,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:49:38,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:49:38,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:49:38,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:49:38,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:49:38,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:49:38,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:49:38,402 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:49:38,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:49:38,403 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:49:38,403 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:49:38,403 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:49:38,403 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:49:38,403 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:49:38,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:49:38,404 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:49:38,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:49:38,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:49:38,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:49:38,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:49:38,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:49:38,406 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:49:38,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:49:38,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:49:38,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:49:38,406 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:49:38,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:49:38,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:49:38,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:49:38,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:49:38,407 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:49:38,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:49:38,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:49:38,408 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:49:38,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:49:38,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:49:38,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:49:38,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:49:38,469 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:49:38,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product35.cil.c [2019-10-03 02:49:38,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74338d0b2/517ac86e238648c193e6be7f26331703/FLAG1a5af3da2 [2019-10-03 02:49:39,201 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:49:39,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product35.cil.c [2019-10-03 02:49:39,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74338d0b2/517ac86e238648c193e6be7f26331703/FLAG1a5af3da2 [2019-10-03 02:49:39,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74338d0b2/517ac86e238648c193e6be7f26331703 [2019-10-03 02:49:39,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:49:39,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:49:39,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:49:39,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:49:39,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:49:39,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:49:39" (1/1) ... [2019-10-03 02:49:39,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c6c84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:39, skipping insertion in model container [2019-10-03 02:49:39,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:49:39" (1/1) ... [2019-10-03 02:49:39,414 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:49:39,509 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:49:40,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:49:40,279 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:49:40,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:49:40,542 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:49:40,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:40 WrapperNode [2019-10-03 02:49:40,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:49:40,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:49:40,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:49:40,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:49:40,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:40" (1/1) ... [2019-10-03 02:49:40,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:40" (1/1) ... [2019-10-03 02:49:40,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:40" (1/1) ... [2019-10-03 02:49:40,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:40" (1/1) ... [2019-10-03 02:49:40,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:40" (1/1) ... [2019-10-03 02:49:40,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:40" (1/1) ... [2019-10-03 02:49:40,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:40" (1/1) ... [2019-10-03 02:49:40,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:49:40,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:49:40,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:49:40,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:49:40,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:49:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:49:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:49:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:49:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:49:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:49:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:49:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:49:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:49:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:49:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:49:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:49:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:49:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:49:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:49:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:49:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:49:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:49:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:49:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:49:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-03 02:49:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:49:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:49:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:49:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:49:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:49:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:49:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:49:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:49:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:49:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:49:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:49:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:49:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:49:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:49:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:49:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:49:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:49:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:49:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:49:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:49:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:49:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:49:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:49:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:49:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:49:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:49:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:49:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:49:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:49:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:49:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:49:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:49:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:49:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:49:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:49:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:49:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:49:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:49:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:49:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:49:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:49:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:49:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:49:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:49:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:49:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:49:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:49:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:49:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:49:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:49:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:49:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:49:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:49:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:49:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:49:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:49:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:49:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:49:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:49:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:49:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:49:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:49:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:49:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:49:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:49:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:49:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:49:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:49:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:49:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:49:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:49:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:49:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:49:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:49:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:49:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:49:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:49:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:49:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:49:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:49:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:49:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:49:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:49:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:49:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:49:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:49:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:49:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:49:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:49:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:49:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:49:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:49:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:49:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:49:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:49:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:49:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:49:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:49:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:49:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:49:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:49:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:49:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:49:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:49:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:49:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:49:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:49:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:49:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:49:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:49:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:49:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:49:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:49:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:49:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:49:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:49:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:49:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:49:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:49:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:49:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:49:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:49:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:49:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:49:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:49:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:49:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:49:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:49:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:49:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:49:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:49:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:49:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:49:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:49:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:49:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:49:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:49:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:49:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:49:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:49:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:49:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:49:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-03 02:49:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:49:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:49:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:49:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:49:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:49:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:49:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:49:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:49:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:49:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:49:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:49:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:49:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:49:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:49:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:49:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:49:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:49:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:49:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:49:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:49:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:49:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:49:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:49:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:49:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:49:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:49:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:49:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:49:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:49:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:49:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:49:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:49:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:49:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:49:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:49:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:49:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:49:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:49:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:49:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:49:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:49:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:49:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:49:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:49:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:49:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:49:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:49:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:49:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:49:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:49:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:49:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:49:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:49:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:49:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:49:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:49:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:49:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:49:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:49:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:49:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:49:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:49:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:49:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:49:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:49:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:49:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:49:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:49:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:49:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:49:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:49:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:49:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:49:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:49:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:49:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:49:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:49:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:49:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:49:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:49:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:49:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:49:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:49:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:49:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:49:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:49:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:49:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:49:43,145 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:49:43,146 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:49:43,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:49:43 BoogieIcfgContainer [2019-10-03 02:49:43,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:49:43,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:49:43,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:49:43,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:49:43,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:49:39" (1/3) ... [2019-10-03 02:49:43,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecbd879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:49:43, skipping insertion in model container [2019-10-03 02:49:43,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:49:40" (2/3) ... [2019-10-03 02:49:43,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecbd879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:49:43, skipping insertion in model container [2019-10-03 02:49:43,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:49:43" (3/3) ... [2019-10-03 02:49:43,156 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product35.cil.c [2019-10-03 02:49:43,168 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:49:43,180 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:49:43,197 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:49:43,229 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:49:43,229 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:49:43,229 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:49:43,229 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:49:43,229 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:49:43,229 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:49:43,230 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:49:43,230 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:49:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states. [2019-10-03 02:49:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-03 02:49:43,312 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:49:43,313 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-03 02:49:43,315 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:49:43,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:49:43,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1323292494, now seen corresponding path program 1 times [2019-10-03 02:49:43,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:49:43,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:43,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:49:43,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:43,382 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:49:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:49:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-03 02:49:44,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:49:44,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:49:44,071 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:49:44,077 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:49:44,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:49:44,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:49:44,095 INFO L87 Difference]: Start difference. First operand 680 states. Second operand 2 states. [2019-10-03 02:49:44,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:49:44,167 INFO L93 Difference]: Finished difference Result 660 states and 892 transitions. [2019-10-03 02:49:44,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:49:44,168 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 241 [2019-10-03 02:49:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:49:44,202 INFO L225 Difference]: With dead ends: 660 [2019-10-03 02:49:44,202 INFO L226 Difference]: Without dead ends: 651 [2019-10-03 02:49:44,204 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:49:44,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2019-10-03 02:49:44,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 651. [2019-10-03 02:49:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2019-10-03 02:49:44,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 881 transitions. [2019-10-03 02:49:44,299 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 881 transitions. Word has length 241 [2019-10-03 02:49:44,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:49:44,301 INFO L475 AbstractCegarLoop]: Abstraction has 651 states and 881 transitions. [2019-10-03 02:49:44,301 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:49:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 881 transitions. [2019-10-03 02:49:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-03 02:49:44,309 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:49:44,309 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:49:44,310 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:49:44,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:49:44,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1534104076, now seen corresponding path program 1 times [2019-10-03 02:49:44,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:49:44,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:44,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:49:44,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:44,315 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:49:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:49:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-03 02:49:44,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:49:44,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:49:44,678 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:49:44,681 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:49:44,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:49:44,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:49:44,681 INFO L87 Difference]: Start difference. First operand 651 states and 881 transitions. Second operand 3 states. [2019-10-03 02:49:44,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:49:44,740 INFO L93 Difference]: Finished difference Result 654 states and 884 transitions. [2019-10-03 02:49:44,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:49:44,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-10-03 02:49:44,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:49:44,747 INFO L225 Difference]: With dead ends: 654 [2019-10-03 02:49:44,747 INFO L226 Difference]: Without dead ends: 654 [2019-10-03 02:49:44,748 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:49:44,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-10-03 02:49:44,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 653. [2019-10-03 02:49:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2019-10-03 02:49:44,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 883 transitions. [2019-10-03 02:49:44,782 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 883 transitions. Word has length 242 [2019-10-03 02:49:44,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:49:44,783 INFO L475 AbstractCegarLoop]: Abstraction has 653 states and 883 transitions. [2019-10-03 02:49:44,783 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:49:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 883 transitions. [2019-10-03 02:49:44,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-10-03 02:49:44,791 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:49:44,792 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:49:44,792 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:49:44,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:49:44,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1794718877, now seen corresponding path program 1 times [2019-10-03 02:49:44,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:49:44,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:44,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:49:44,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:44,798 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:49:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:49:45,058 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-03 02:49:45,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:49:45,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:49:45,058 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:49:45,059 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:49:45,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:49:45,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:49:45,060 INFO L87 Difference]: Start difference. First operand 653 states and 883 transitions. Second operand 3 states. [2019-10-03 02:49:45,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:49:45,093 INFO L93 Difference]: Finished difference Result 698 states and 959 transitions. [2019-10-03 02:49:45,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:49:45,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2019-10-03 02:49:45,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:49:45,100 INFO L225 Difference]: With dead ends: 698 [2019-10-03 02:49:45,100 INFO L226 Difference]: Without dead ends: 698 [2019-10-03 02:49:45,101 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:49:45,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2019-10-03 02:49:45,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 697. [2019-10-03 02:49:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2019-10-03 02:49:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 958 transitions. [2019-10-03 02:49:45,137 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 958 transitions. Word has length 254 [2019-10-03 02:49:45,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:49:45,138 INFO L475 AbstractCegarLoop]: Abstraction has 697 states and 958 transitions. [2019-10-03 02:49:45,138 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:49:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 958 transitions. [2019-10-03 02:49:45,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-10-03 02:49:45,150 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:49:45,151 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:49:45,151 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:49:45,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:49:45,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1323106751, now seen corresponding path program 1 times [2019-10-03 02:49:45,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:49:45,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:45,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:49:45,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:45,162 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:49:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:49:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-03 02:49:45,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:49:45,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:49:45,524 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:49:45,525 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:49:45,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:49:45,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:49:45,526 INFO L87 Difference]: Start difference. First operand 697 states and 958 transitions. Second operand 3 states. [2019-10-03 02:49:45,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:49:45,557 INFO L93 Difference]: Finished difference Result 783 states and 1103 transitions. [2019-10-03 02:49:45,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:49:45,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2019-10-03 02:49:45,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:49:45,562 INFO L225 Difference]: With dead ends: 783 [2019-10-03 02:49:45,563 INFO L226 Difference]: Without dead ends: 783 [2019-10-03 02:49:45,563 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:49:45,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-10-03 02:49:45,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 782. [2019-10-03 02:49:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2019-10-03 02:49:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1102 transitions. [2019-10-03 02:49:45,601 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1102 transitions. Word has length 255 [2019-10-03 02:49:45,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:49:45,602 INFO L475 AbstractCegarLoop]: Abstraction has 782 states and 1102 transitions. [2019-10-03 02:49:45,602 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:49:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1102 transitions. [2019-10-03 02:49:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-10-03 02:49:45,611 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:49:45,612 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:49:45,612 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:49:45,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:49:45,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1302871583, now seen corresponding path program 1 times [2019-10-03 02:49:45,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:49:45,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:45,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:49:45,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:45,619 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:49:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:49:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-03 02:49:46,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:49:46,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-10-03 02:49:46,144 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:49:46,145 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-03 02:49:46,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-03 02:49:46,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:49:46,146 INFO L87 Difference]: Start difference. First operand 782 states and 1102 transitions. Second operand 19 states. [2019-10-03 02:49:51,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:49:51,814 INFO L93 Difference]: Finished difference Result 2299 states and 3257 transitions. [2019-10-03 02:49:51,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-10-03 02:49:51,814 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 258 [2019-10-03 02:49:51,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:49:51,830 INFO L225 Difference]: With dead ends: 2299 [2019-10-03 02:49:51,830 INFO L226 Difference]: Without dead ends: 2299 [2019-10-03 02:49:51,832 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=287, Invalid=2683, Unknown=0, NotChecked=0, Total=2970 [2019-10-03 02:49:51,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2299 states. [2019-10-03 02:49:51,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2299 to 2262. [2019-10-03 02:49:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2262 states. [2019-10-03 02:49:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3204 transitions. [2019-10-03 02:49:51,924 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3204 transitions. Word has length 258 [2019-10-03 02:49:51,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:49:51,925 INFO L475 AbstractCegarLoop]: Abstraction has 2262 states and 3204 transitions. [2019-10-03 02:49:51,925 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-03 02:49:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3204 transitions. [2019-10-03 02:49:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-10-03 02:49:51,937 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:49:51,938 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:49:51,938 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:49:51,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:49:51,939 INFO L82 PathProgramCache]: Analyzing trace with hash -150304222, now seen corresponding path program 1 times [2019-10-03 02:49:51,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:49:51,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:51,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:49:51,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:51,945 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:49:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:49:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-03 02:49:52,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:49:52,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-10-03 02:49:52,401 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:49:52,403 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-03 02:49:52,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-03 02:49:52,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2019-10-03 02:49:52,404 INFO L87 Difference]: Start difference. First operand 2262 states and 3204 transitions. Second operand 18 states. [2019-10-03 02:49:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:49:52,998 INFO L93 Difference]: Finished difference Result 2460 states and 3502 transitions. [2019-10-03 02:49:52,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-03 02:49:52,999 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 259 [2019-10-03 02:49:52,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:49:53,012 INFO L225 Difference]: With dead ends: 2460 [2019-10-03 02:49:53,013 INFO L226 Difference]: Without dead ends: 2444 [2019-10-03 02:49:53,014 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2019-10-03 02:49:53,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2444 states. [2019-10-03 02:49:53,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2444 to 2444. [2019-10-03 02:49:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2444 states. [2019-10-03 02:49:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3473 transitions. [2019-10-03 02:49:53,104 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3473 transitions. Word has length 259 [2019-10-03 02:49:53,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:49:53,105 INFO L475 AbstractCegarLoop]: Abstraction has 2444 states and 3473 transitions. [2019-10-03 02:49:53,105 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-03 02:49:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3473 transitions. [2019-10-03 02:49:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-10-03 02:49:53,116 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:49:53,117 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:49:53,117 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:49:53,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:49:53,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1524612594, now seen corresponding path program 1 times [2019-10-03 02:49:53,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:49:53,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:53,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:49:53,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:53,122 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:49:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:49:53,478 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-03 02:49:53,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:49:53,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-03 02:49:53,479 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:49:53,480 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-03 02:49:53,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-03 02:49:53,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-03 02:49:53,480 INFO L87 Difference]: Start difference. First operand 2444 states and 3473 transitions. Second operand 15 states. [2019-10-03 02:49:57,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:49:57,544 INFO L93 Difference]: Finished difference Result 2544 states and 3626 transitions. [2019-10-03 02:49:57,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-03 02:49:57,544 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 259 [2019-10-03 02:49:57,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:49:57,560 INFO L225 Difference]: With dead ends: 2544 [2019-10-03 02:49:57,560 INFO L226 Difference]: Without dead ends: 2544 [2019-10-03 02:49:57,561 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=1933, Unknown=0, NotChecked=0, Total=2162 [2019-10-03 02:49:57,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2019-10-03 02:49:57,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2514. [2019-10-03 02:49:57,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2514 states. [2019-10-03 02:49:57,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3589 transitions. [2019-10-03 02:49:57,646 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3589 transitions. Word has length 259 [2019-10-03 02:49:57,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:49:57,647 INFO L475 AbstractCegarLoop]: Abstraction has 2514 states and 3589 transitions. [2019-10-03 02:49:57,648 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-03 02:49:57,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3589 transitions. [2019-10-03 02:49:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-10-03 02:49:57,657 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:49:57,658 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:49:57,658 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:49:57,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:49:57,659 INFO L82 PathProgramCache]: Analyzing trace with hash 500619753, now seen corresponding path program 1 times [2019-10-03 02:49:57,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:49:57,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:57,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:49:57,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:57,664 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:49:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:49:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-10-03 02:49:57,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:49:57,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:49:57,976 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:49:57,977 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:49:57,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:49:57,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:49:57,978 INFO L87 Difference]: Start difference. First operand 2514 states and 3589 transitions. Second operand 5 states. [2019-10-03 02:49:59,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:49:59,618 INFO L93 Difference]: Finished difference Result 5415 states and 7778 transitions. [2019-10-03 02:49:59,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:49:59,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 259 [2019-10-03 02:49:59,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:49:59,654 INFO L225 Difference]: With dead ends: 5415 [2019-10-03 02:49:59,654 INFO L226 Difference]: Without dead ends: 5415 [2019-10-03 02:49:59,655 INFO L640 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 [2019-10-03 02:49:59,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5415 states. [2019-10-03 02:49:59,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5415 to 5397. [2019-10-03 02:49:59,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5397 states. [2019-10-03 02:49:59,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 5397 states and 7750 transitions. [2019-10-03 02:49:59,856 INFO L78 Accepts]: Start accepts. Automaton has 5397 states and 7750 transitions. Word has length 259 [2019-10-03 02:49:59,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:49:59,857 INFO L475 AbstractCegarLoop]: Abstraction has 5397 states and 7750 transitions. [2019-10-03 02:49:59,857 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:49:59,857 INFO L276 IsEmpty]: Start isEmpty. Operand 5397 states and 7750 transitions. [2019-10-03 02:49:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-10-03 02:49:59,874 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:49:59,874 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:49:59,874 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:49:59,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:49:59,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1958504696, now seen corresponding path program 1 times [2019-10-03 02:49:59,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:49:59,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:59,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:49:59,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:49:59,880 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:49:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:50:00,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:50:00,124 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:50:00,125 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2019-10-03 02:50:00,128 INFO L207 CegarAbsIntRunner]: [44], [47], [50], [79], [82], [92], [116], [119], [129], [130], [159], [162], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [318], [321], [327], [329], [332], [334], [336], [343], [347], [349], [350], [353], [362], [373], [375], [378], [382], [383], [385], [386], [389], [399], [400], [401], [428], [430], [442], [464], [466], [486], [580], [661], [663], [664], [665], [683], [685], [690], [714], [717], [731], [770], [771], [772], [774], [787], [789], [792], [796], [820], [824], [827], [835], [838], [862], [865], [875], [876], [878], [903], [909], [918], [922], [924], [926], [929], [936], [943], [946], [948], [1086], [1088], [1105], [1109], [1112], [1126], [1234], [1288], [1310], [1321], [1324], [1325], [1328], [1332], [1336], [1362], [1365], [1367], [1436], [1439], [1445], [1446], [1449], [1459], [1480], [1483], [1497], [1503], [1506], [1515], [1709], [1711], [1713], [1715], [1716], [1728], [1729], [1730], [1731], [1732], [1733], [1734], [1752], [1762], [1763], [1764], [1765], [1766], [1767], [1770], [1771], [1772], [1773], [1774], [1776], [1777], [1778], [1779], [1786], [1787], [1788], [1789], [1792], [1793], [1794], [1795], [1800], [1802], [1803], [1808], [1809], [1812], [1813], [1818], [1819], [1832], [1833], [1834], [1835], [1836], [1844], [1860], [1861], [1870], [1871], [1872], [1880], [1881], [1882], [1884], [1885], [1890], [1891], [1892], [1893], [1894], [1895], [1896], [1897], [1898], [1900], [1901], [1902], [1903], [1924], [1925], [1936], [1942], [1943], [1962], [1964], [1965], [1982], [1984], [1985], [1986], [1988], [1989], [1990], [1991], [1992], [1993], [1994], [2014], [2015], [2016], [2017], [2018], [2019], [2020], [2021], [2022] [2019-10-03 02:50:00,230 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:50:00,231 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:50:00,403 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:50:00,405 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 195 root evaluator evaluations with a maximum evaluation depth of 0. Performed 195 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 384 variables. [2019-10-03 02:50:00,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:00,412 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:50:00,498 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:50:00,498 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:50:00,505 INFO L420 sIntCurrentIteration]: We unified 258 AI predicates to 258 [2019-10-03 02:50:00,505 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:50:00,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:50:00,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-10-03 02:50:00,506 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:00,507 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:50:00,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:50:00,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:50:00,508 INFO L87 Difference]: Start difference. First operand 5397 states and 7750 transitions. Second operand 2 states. [2019-10-03 02:50:00,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:00,508 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:50:00,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:50:00,509 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 259 [2019-10-03 02:50:00,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:00,509 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:50:00,509 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:50:00,509 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:50:00,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:50:00,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:50:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:50:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:50:00,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 259 [2019-10-03 02:50:00,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:00,511 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:50:00,511 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:50:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:50:00,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:50:00,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:50:00 BoogieIcfgContainer [2019-10-03 02:50:00,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:50:00,519 INFO L168 Benchmark]: Toolchain (without parser) took 21121.64 ms. Allocated memory was 134.2 MB in the beginning and 706.2 MB in the end (delta: 572.0 MB). Free memory was 84.7 MB in the beginning and 595.1 MB in the end (delta: -510.4 MB). Peak memory consumption was 61.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:00,520 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:50:00,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1145.67 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 84.5 MB in the beginning and 126.0 MB in the end (delta: -41.5 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:00,521 INFO L168 Benchmark]: Boogie Preprocessor took 228.57 ms. Allocated memory is still 201.9 MB. Free memory was 126.0 MB in the beginning and 116.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:00,522 INFO L168 Benchmark]: RCFGBuilder took 2375.77 ms. Allocated memory was 201.9 MB in the beginning and 265.3 MB in the end (delta: 63.4 MB). Free memory was 116.7 MB in the beginning and 131.8 MB in the end (delta: -15.0 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:50:00,523 INFO L168 Benchmark]: TraceAbstraction took 17367.09 ms. Allocated memory was 265.3 MB in the beginning and 706.2 MB in the end (delta: 440.9 MB). Free memory was 131.8 MB in the beginning and 595.1 MB in the end (delta: -463.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:50:00,529 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1145.67 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 84.5 MB in the beginning and 126.0 MB in the end (delta: -41.5 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 228.57 ms. Allocated memory is still 201.9 MB. Free memory was 126.0 MB in the beginning and 116.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2375.77 ms. Allocated memory was 201.9 MB in the beginning and 265.3 MB in the end (delta: 63.4 MB). Free memory was 116.7 MB in the beginning and 131.8 MB in the end (delta: -15.0 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17367.09 ms. Allocated memory was 265.3 MB in the beginning and 706.2 MB in the end (delta: 440.9 MB). Free memory was 131.8 MB in the beginning and 595.1 MB in the end (delta: -463.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 220]: 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 121 procedures, 839 locations, 1 error locations. SAFE Result, 17.2s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 12.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9030 SDtfs, 6045 SDslu, 56368 SDs, 0 SdLazy, 8443 SolverSat, 1158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5397occurred in iteration=8, 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, 2.0155038759689923 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 88 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2286 NumberOfCodeBlocks, 2286 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2277 ConstructedInterpolants, 0 QuantifiedInterpolants, 751336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 454/460 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...