java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:50:45,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:50:45,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:50:45,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:50:45,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:50:45,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:50:45,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:50:45,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:50:45,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:50:45,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:50:45,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:50:45,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:50:45,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:50:45,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:50:45,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:50:45,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:50:45,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:50:45,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:50:45,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:50:45,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:50:45,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:50:45,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:50:45,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:50:45,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:50:45,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:50:45,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:50:45,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:50:45,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:50:45,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:50:45,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:50:45,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:50:45,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:50:45,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:50:45,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:50:45,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:50:45,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:50:45,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:50:45,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:50:45,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:50:45,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:50:45,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:50:45,763 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 02:50:45,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:50:45,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:50:45,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:50:45,780 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:50:45,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:50:45,781 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:50:45,781 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:50:45,781 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:50:45,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:50:45,782 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:50:45,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:50:45,783 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:50:45,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:50:45,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:50:45,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:50:45,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:50:45,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:50:45,784 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:50:45,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:50:45,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:50:45,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:50:45,785 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:50:45,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:50:45,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:50:45,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:50:45,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:50:45,786 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:50:45,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:50:45,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:50:45,786 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:50:45,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:50:45,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:50:45,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:50:45,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:50:45,852 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:50:45,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product33.cil.c [2019-10-03 02:50:45,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2419300/bc2558d557b74d6ebca92c7d4866cdba/FLAG16a04bdf4 [2019-10-03 02:50:46,570 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:50:46,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product33.cil.c [2019-10-03 02:50:46,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2419300/bc2558d557b74d6ebca92c7d4866cdba/FLAG16a04bdf4 [2019-10-03 02:50:46,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2419300/bc2558d557b74d6ebca92c7d4866cdba [2019-10-03 02:50:46,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:50:46,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:50:46,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:50:46,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:50:46,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:50:46,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:50:46" (1/1) ... [2019-10-03 02:50:46,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf1d954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:46, skipping insertion in model container [2019-10-03 02:50:46,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:50:46" (1/1) ... [2019-10-03 02:50:46,758 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:50:46,844 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:50:47,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:50:47,812 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:50:48,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:50:48,121 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:50:48,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:48 WrapperNode [2019-10-03 02:50:48,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:50:48,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:50:48,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:50:48,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:50:48,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:48" (1/1) ... [2019-10-03 02:50:48,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:48" (1/1) ... [2019-10-03 02:50:48,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:48" (1/1) ... [2019-10-03 02:50:48,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:48" (1/1) ... [2019-10-03 02:50:48,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:48" (1/1) ... [2019-10-03 02:50:48,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:48" (1/1) ... [2019-10-03 02:50:48,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:48" (1/1) ... [2019-10-03 02:50:48,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:50:48,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:50:48,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:50:48,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:50:48,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:48" (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 02:50:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:50:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:50:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:50:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:50:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:50:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:50:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:50:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:50:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:50:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:50:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:50:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:50:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:50:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:50:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:50:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:50:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:50:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:50:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:50:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:50:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:50:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:50:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:50:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:50:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:50:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:50:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:50:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:50:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:50:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:50:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:50:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:50:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:50:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-03 02:50:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:50:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:50:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:50:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:50:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:50:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:50:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:50:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:50:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:50:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:50:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:50:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:50:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:50:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:50:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:50:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:50:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:50:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:50:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:50:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:50:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:50:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:50:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:50:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:50:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:50:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:50:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:50:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:50:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:50:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:50:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:50:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:50:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:50:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:50:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:50:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:50:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:50:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:50:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:50:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:50:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:50:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:50:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:50:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:50:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:50:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:50:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:50:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:50:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:50:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:50:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:50:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:50:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:50:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:50:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:50:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:50:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-03 02:50:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:50:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:50:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:50:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:50:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:50:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:50:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:50:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:50:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:50:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:50:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:50:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:50:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:50:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:50:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:50:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:50:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:50:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:50:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:50:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:50:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:50:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:50:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:50:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:50:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:50:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:50:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:50:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:50:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:50:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:50:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:50:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:50:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:50:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:50:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:50:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:50:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:50:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:50:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:50:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:50:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:50:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:50:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:50:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:50:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:50:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:50:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:50:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:50:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:50:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:50:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:50:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:50:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:50:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:50:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:50:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:50:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:50:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:50:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:50:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:50:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:50:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:50:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:50:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:50:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:50:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:50:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:50:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:50:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:50:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:50:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:50:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:50:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:50:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:50:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:50:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-03 02:50:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:50:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:50:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:50:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:50:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:50:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:50:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:50:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:50:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:50:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:50:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:50:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:50:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:50:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:50:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:50:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:50:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:50:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:50:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:50:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:50:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:50:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:50:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:50:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:50:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:50:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:50:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:50:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:50:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:50:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:50:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:50:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:50:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:50:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:50:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:50:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:50:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:50:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:50:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:50:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:50:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:50:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:50:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:50:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:50:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:50:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:50:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:50:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-03 02:50:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:50:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:50:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:50:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:50:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:50:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:50:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:50:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:50:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:50:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:50:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:50:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:50:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:50:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:50:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:50:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:50:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:50:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:50:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:50:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:50:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:50:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:50:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:50:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:50:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:50:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:50:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:50:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:50:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:50:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:50:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:50:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:50:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:50:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:50:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:50:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:50:50,656 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:50:50,656 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:50:50,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:50:50 BoogieIcfgContainer [2019-10-03 02:50:50,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:50:50,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:50:50,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:50:50,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:50:50,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:50:46" (1/3) ... [2019-10-03 02:50:50,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a3f99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:50:50, skipping insertion in model container [2019-10-03 02:50:50,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:50:48" (2/3) ... [2019-10-03 02:50:50,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a3f99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:50:50, skipping insertion in model container [2019-10-03 02:50:50,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:50:50" (3/3) ... [2019-10-03 02:50:50,667 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product33.cil.c [2019-10-03 02:50:50,678 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:50:50,691 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:50:50,712 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:50:50,743 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:50:50,743 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:50:50,744 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:50:50,744 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:50:50,746 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:50:50,746 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:50:50,746 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:50:50,747 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:50:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states. [2019-10-03 02:50:50,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-03 02:50:50,830 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:50,831 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:50:50,835 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:50,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:50,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1359243450, now seen corresponding path program 1 times [2019-10-03 02:50:50,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:50,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:50,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:50,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:50,908 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:51,626 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:50:51,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:51,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:50:51,630 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:51,637 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:50:51,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:50:51,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:50:51,658 INFO L87 Difference]: Start difference. First operand 587 states. Second operand 2 states. [2019-10-03 02:50:51,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:51,744 INFO L93 Difference]: Finished difference Result 573 states and 755 transitions. [2019-10-03 02:50:51,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:50:51,745 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 218 [2019-10-03 02:50:51,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:51,777 INFO L225 Difference]: With dead ends: 573 [2019-10-03 02:50:51,777 INFO L226 Difference]: Without dead ends: 564 [2019-10-03 02:50:51,779 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 02:50:51,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-10-03 02:50:51,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 564. [2019-10-03 02:50:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-10-03 02:50:51,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 744 transitions. [2019-10-03 02:50:51,886 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 744 transitions. Word has length 218 [2019-10-03 02:50:51,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:51,889 INFO L475 AbstractCegarLoop]: Abstraction has 564 states and 744 transitions. [2019-10-03 02:50:51,889 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:50:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 744 transitions. [2019-10-03 02:50:51,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-03 02:50:51,898 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:51,898 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:50:51,898 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:51,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:51,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1875979092, now seen corresponding path program 1 times [2019-10-03 02:50:51,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:51,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:51,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:51,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:51,906 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:52,267 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:50:52,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:52,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:50:52,268 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:52,271 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:50:52,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:50:52,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:52,272 INFO L87 Difference]: Start difference. First operand 564 states and 744 transitions. Second operand 3 states. [2019-10-03 02:50:52,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:52,329 INFO L93 Difference]: Finished difference Result 567 states and 747 transitions. [2019-10-03 02:50:52,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:50:52,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-10-03 02:50:52,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:52,335 INFO L225 Difference]: With dead ends: 567 [2019-10-03 02:50:52,335 INFO L226 Difference]: Without dead ends: 567 [2019-10-03 02:50:52,336 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 02:50:52,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2019-10-03 02:50:52,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 566. [2019-10-03 02:50:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2019-10-03 02:50:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 746 transitions. [2019-10-03 02:50:52,362 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 746 transitions. Word has length 219 [2019-10-03 02:50:52,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:52,363 INFO L475 AbstractCegarLoop]: Abstraction has 566 states and 746 transitions. [2019-10-03 02:50:52,363 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:50:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 746 transitions. [2019-10-03 02:50:52,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-03 02:50:52,368 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:52,368 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:50:52,369 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:52,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:52,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1298446294, now seen corresponding path program 1 times [2019-10-03 02:50:52,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:52,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:52,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:52,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:52,375 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:50:52,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:52,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:50:52,690 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:52,692 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:50:52,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:50:52,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:52,695 INFO L87 Difference]: Start difference. First operand 566 states and 746 transitions. Second operand 3 states. [2019-10-03 02:50:52,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:52,751 INFO L93 Difference]: Finished difference Result 609 states and 819 transitions. [2019-10-03 02:50:52,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:50:52,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-10-03 02:50:52,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:52,768 INFO L225 Difference]: With dead ends: 609 [2019-10-03 02:50:52,768 INFO L226 Difference]: Without dead ends: 609 [2019-10-03 02:50:52,769 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 02:50:52,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2019-10-03 02:50:52,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 608. [2019-10-03 02:50:52,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2019-10-03 02:50:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 818 transitions. [2019-10-03 02:50:52,820 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 818 transitions. Word has length 231 [2019-10-03 02:50:52,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:52,822 INFO L475 AbstractCegarLoop]: Abstraction has 608 states and 818 transitions. [2019-10-03 02:50:52,823 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:50:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 818 transitions. [2019-10-03 02:50:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-03 02:50:52,836 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:52,836 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:50:52,838 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:52,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:52,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1265412582, now seen corresponding path program 1 times [2019-10-03 02:50:52,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:52,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:52,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:52,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:52,848 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:53,143 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:50:53,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:53,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:50:53,144 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:53,146 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:50:53,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:50:53,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:50:53,147 INFO L87 Difference]: Start difference. First operand 608 states and 818 transitions. Second operand 3 states. [2019-10-03 02:50:53,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:53,184 INFO L93 Difference]: Finished difference Result 690 states and 957 transitions. [2019-10-03 02:50:53,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:50:53,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2019-10-03 02:50:53,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:53,194 INFO L225 Difference]: With dead ends: 690 [2019-10-03 02:50:53,195 INFO L226 Difference]: Without dead ends: 690 [2019-10-03 02:50:53,195 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 02:50:53,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2019-10-03 02:50:53,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 689. [2019-10-03 02:50:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2019-10-03 02:50:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 956 transitions. [2019-10-03 02:50:53,242 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 956 transitions. Word has length 232 [2019-10-03 02:50:53,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:53,243 INFO L475 AbstractCegarLoop]: Abstraction has 689 states and 956 transitions. [2019-10-03 02:50:53,243 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:50:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 956 transitions. [2019-10-03 02:50:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-03 02:50:53,250 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:53,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:50:53,251 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:53,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:53,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1880948969, now seen corresponding path program 1 times [2019-10-03 02:50:53,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:53,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:53,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:53,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:53,258 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:50:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:50:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-03 02:50:53,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:50:53,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-10-03 02:50:53,918 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:50:53,919 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-03 02:50:53,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-03 02:50:53,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:50:53,920 INFO L87 Difference]: Start difference. First operand 689 states and 956 transitions. Second operand 19 states. [2019-10-03 02:50:59,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:50:59,823 INFO L93 Difference]: Finished difference Result 2027 states and 2818 transitions. [2019-10-03 02:50:59,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-10-03 02:50:59,824 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 235 [2019-10-03 02:50:59,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:50:59,839 INFO L225 Difference]: With dead ends: 2027 [2019-10-03 02:50:59,839 INFO L226 Difference]: Without dead ends: 2027 [2019-10-03 02:50:59,841 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=287, Invalid=2683, Unknown=0, NotChecked=0, Total=2970 [2019-10-03 02:50:59,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2019-10-03 02:50:59,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1990. [2019-10-03 02:50:59,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1990 states. [2019-10-03 02:50:59,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2766 transitions. [2019-10-03 02:50:59,937 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2766 transitions. Word has length 235 [2019-10-03 02:50:59,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:50:59,938 INFO L475 AbstractCegarLoop]: Abstraction has 1990 states and 2766 transitions. [2019-10-03 02:50:59,938 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-03 02:50:59,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2766 transitions. [2019-10-03 02:50:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-03 02:50:59,947 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:50:59,948 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:50:59,948 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:50:59,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:50:59,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1271254735, now seen corresponding path program 1 times [2019-10-03 02:50:59,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:50:59,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:59,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:50:59,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:50:59,954 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:51:00,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:00,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-03 02:51:00,243 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:00,244 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-03 02:51:00,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-03 02:51:00,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-03 02:51:00,245 INFO L87 Difference]: Start difference. First operand 1990 states and 2766 transitions. Second operand 11 states. [2019-10-03 02:51:00,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:00,829 INFO L93 Difference]: Finished difference Result 2064 states and 2880 transitions. [2019-10-03 02:51:00,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:51:00,830 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 236 [2019-10-03 02:51:00,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:00,848 INFO L225 Difference]: With dead ends: 2064 [2019-10-03 02:51:00,849 INFO L226 Difference]: Without dead ends: 2048 [2019-10-03 02:51:00,849 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:51:00,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2019-10-03 02:51:00,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 2048. [2019-10-03 02:51:00,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2048 states. [2019-10-03 02:51:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 2859 transitions. [2019-10-03 02:51:00,949 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 2859 transitions. Word has length 236 [2019-10-03 02:51:00,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:00,949 INFO L475 AbstractCegarLoop]: Abstraction has 2048 states and 2859 transitions. [2019-10-03 02:51:00,950 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-03 02:51:00,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2859 transitions. [2019-10-03 02:51:00,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-03 02:51:00,962 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:00,963 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:00,963 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:00,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:00,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1218781435, now seen corresponding path program 1 times [2019-10-03 02:51:00,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:00,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:00,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:00,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:00,969 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:01,443 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-03 02:51:01,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:01,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-03 02:51:01,444 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:01,445 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-03 02:51:01,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-03 02:51:01,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-03 02:51:01,446 INFO L87 Difference]: Start difference. First operand 2048 states and 2859 transitions. Second operand 15 states. [2019-10-03 02:51:05,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:05,553 INFO L93 Difference]: Finished difference Result 2164 states and 3039 transitions. [2019-10-03 02:51:05,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-03 02:51:05,553 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 236 [2019-10-03 02:51:05,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:05,567 INFO L225 Difference]: With dead ends: 2164 [2019-10-03 02:51:05,567 INFO L226 Difference]: Without dead ends: 2164 [2019-10-03 02:51:05,568 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=229, Invalid=1933, Unknown=0, NotChecked=0, Total=2162 [2019-10-03 02:51:05,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2019-10-03 02:51:05,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 2122. [2019-10-03 02:51:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2019-10-03 02:51:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 2981 transitions. [2019-10-03 02:51:05,653 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 2981 transitions. Word has length 236 [2019-10-03 02:51:05,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:05,654 INFO L475 AbstractCegarLoop]: Abstraction has 2122 states and 2981 transitions. [2019-10-03 02:51:05,654 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-03 02:51:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2981 transitions. [2019-10-03 02:51:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-10-03 02:51:05,663 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:05,664 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:05,664 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:05,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:05,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1451388811, now seen corresponding path program 1 times [2019-10-03 02:51:05,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:05,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:05,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:05,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:05,670 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:51:05,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:05,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:51:05,878 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:05,879 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:51:05,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:51:05,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:51:05,880 INFO L87 Difference]: Start difference. First operand 2122 states and 2981 transitions. Second operand 5 states. [2019-10-03 02:51:05,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:05,959 INFO L93 Difference]: Finished difference Result 1739 states and 2451 transitions. [2019-10-03 02:51:05,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:51:05,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 240 [2019-10-03 02:51:05,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:05,976 INFO L225 Difference]: With dead ends: 1739 [2019-10-03 02:51:05,976 INFO L226 Difference]: Without dead ends: 1736 [2019-10-03 02:51:05,977 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:51:05,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2019-10-03 02:51:06,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1734. [2019-10-03 02:51:06,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1734 states. [2019-10-03 02:51:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2444 transitions. [2019-10-03 02:51:06,053 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2444 transitions. Word has length 240 [2019-10-03 02:51:06,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:06,054 INFO L475 AbstractCegarLoop]: Abstraction has 1734 states and 2444 transitions. [2019-10-03 02:51:06,054 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:51:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2444 transitions. [2019-10-03 02:51:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-03 02:51:06,063 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:06,064 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:06,064 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:06,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:06,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1576503556, now seen corresponding path program 1 times [2019-10-03 02:51:06,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:06,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:06,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:06,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:06,070 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-03 02:51:06,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:06,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-03 02:51:06,411 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:06,413 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-03 02:51:06,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-03 02:51:06,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-10-03 02:51:06,414 INFO L87 Difference]: Start difference. First operand 1734 states and 2444 transitions. Second operand 16 states. [2019-10-03 02:51:06,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:06,773 INFO L93 Difference]: Finished difference Result 1775 states and 2494 transitions. [2019-10-03 02:51:06,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-03 02:51:06,774 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 236 [2019-10-03 02:51:06,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:06,795 INFO L225 Difference]: With dead ends: 1775 [2019-10-03 02:51:06,796 INFO L226 Difference]: Without dead ends: 1755 [2019-10-03 02:51:06,798 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2019-10-03 02:51:06,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2019-10-03 02:51:06,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1742. [2019-10-03 02:51:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1742 states. [2019-10-03 02:51:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2446 transitions. [2019-10-03 02:51:06,915 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2446 transitions. Word has length 236 [2019-10-03 02:51:06,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:06,916 INFO L475 AbstractCegarLoop]: Abstraction has 1742 states and 2446 transitions. [2019-10-03 02:51:06,917 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-03 02:51:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2446 transitions. [2019-10-03 02:51:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-03 02:51:06,937 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:06,938 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:06,938 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:06,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:06,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1072234906, now seen corresponding path program 1 times [2019-10-03 02:51:06,941 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:06,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:06,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:06,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:06,952 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-03 02:51:07,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:07,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:51:07,351 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:07,351 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:51:07,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:51:07,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:51:07,352 INFO L87 Difference]: Start difference. First operand 1742 states and 2446 transitions. Second operand 5 states. [2019-10-03 02:51:08,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:08,779 INFO L93 Difference]: Finished difference Result 3784 states and 5266 transitions. [2019-10-03 02:51:08,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:51:08,780 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2019-10-03 02:51:08,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:08,807 INFO L225 Difference]: With dead ends: 3784 [2019-10-03 02:51:08,807 INFO L226 Difference]: Without dead ends: 3784 [2019-10-03 02:51:08,808 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 02:51:08,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3784 states. [2019-10-03 02:51:08,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3784 to 3755. [2019-10-03 02:51:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3755 states. [2019-10-03 02:51:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 5223 transitions. [2019-10-03 02:51:08,980 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 5223 transitions. Word has length 236 [2019-10-03 02:51:08,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:08,982 INFO L475 AbstractCegarLoop]: Abstraction has 3755 states and 5223 transitions. [2019-10-03 02:51:08,982 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:51:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 5223 transitions. [2019-10-03 02:51:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-03 02:51:08,994 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:08,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:08,995 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:08,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:08,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1057984761, now seen corresponding path program 1 times [2019-10-03 02:51:08,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:09,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:09,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:09,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:09,002 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-03 02:51:09,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:51:09,240 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:51:09,242 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2019-10-03 02:51:09,244 INFO L207 CegarAbsIntRunner]: [44], [72], [75], [85], [130], [159], [162], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [318], [321], [324], [332], [334], [336], [343], [347], [349], [360], [363], [372], [373], [375], [378], [382], [383], [385], [386], [389], [399], [400], [401], [412], [414], [419], [439], [441], [453], [475], [477], [497], [670], [672], [673], [674], [712], [715], [729], [768], [770], [773], [774], [785], [787], [790], [794], [818], [822], [825], [833], [836], [854], [876], [878], [903], [909], [918], [922], [924], [926], [929], [936], [943], [946], [948], [1084], [1087], [1101], [1209], [1281], [1285], [1296], [1299], [1300], [1303], [1307], [1311], [1337], [1338], [1340], [1409], [1412], [1422], [1423], [1426], [1432], [1453], [1456], [1470], [1476], [1479], [1488], [1677], [1679], [1681], [1683], [1684], [1696], [1720], [1730], [1731], [1732], [1733], [1734], [1735], [1738], [1739], [1740], [1741], [1742], [1744], [1745], [1746], [1747], [1754], [1755], [1756], [1757], [1758], [1760], [1761], [1762], [1763], [1768], [1770], [1771], [1776], [1777], [1780], [1781], [1786], [1787], [1788], [1790], [1791], [1804], [1805], [1806], [1807], [1808], [1830], [1831], [1846], [1847], [1848], [1850], [1851], [1856], [1857], [1858], [1859], [1860], [1861], [1862], [1863], [1864], [1866], [1867], [1868], [1869], [1884], [1892], [1893], [1904], [1910], [1911], [1928], [1930], [1931], [1932], [1934], [1935], [1936], [1937], [1938], [1939], [1940], [1952], [1953], [1954], [1955], [1956], [1957], [1958], [1959], [1960] [2019-10-03 02:51:09,310 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:51:09,310 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:51:09,455 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:51:09,457 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 268 root evaluator evaluations with a maximum evaluation depth of 0. Performed 268 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 376 variables. [2019-10-03 02:51:09,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:09,463 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:51:09,592 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:51:09,593 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:51:09,603 INFO L420 sIntCurrentIteration]: We unified 235 AI predicates to 235 [2019-10-03 02:51:09,604 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:51:09,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:51:09,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-10-03 02:51:09,605 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:09,606 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:09,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:09,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:09,607 INFO L87 Difference]: Start difference. First operand 3755 states and 5223 transitions. Second operand 2 states. [2019-10-03 02:51:09,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:09,607 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:51:09,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:09,608 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 236 [2019-10-03 02:51:09,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:09,608 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:51:09,608 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:51:09,609 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:09,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:51:09,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:51:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:51:09,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:51:09,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2019-10-03 02:51:09,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:09,610 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:51:09,611 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:09,611 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:51:09,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:51:09,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:51:09 BoogieIcfgContainer [2019-10-03 02:51:09,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:51:09,620 INFO L168 Benchmark]: Toolchain (without parser) took 22879.50 ms. Allocated memory was 136.3 MB in the beginning and 582.0 MB in the end (delta: 445.6 MB). Free memory was 82.9 MB in the beginning and 75.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 453.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:09,620 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:51:09,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1381.84 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 82.4 MB in the beginning and 128.1 MB in the end (delta: -45.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:09,624 INFO L168 Benchmark]: Boogie Preprocessor took 231.46 ms. Allocated memory is still 202.4 MB. Free memory was 128.1 MB in the beginning and 118.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:09,630 INFO L168 Benchmark]: RCFGBuilder took 2304.08 ms. Allocated memory was 202.4 MB in the beginning and 269.5 MB in the end (delta: 67.1 MB). Free memory was 118.4 MB in the beginning and 156.0 MB in the end (delta: -37.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:09,631 INFO L168 Benchmark]: TraceAbstraction took 18957.26 ms. Allocated memory was 269.5 MB in the beginning and 582.0 MB in the end (delta: 312.5 MB). Free memory was 156.0 MB in the beginning and 75.2 MB in the end (delta: 80.8 MB). Peak memory consumption was 393.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:09,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1381.84 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 82.4 MB in the beginning and 128.1 MB in the end (delta: -45.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 231.46 ms. Allocated memory is still 202.4 MB. Free memory was 128.1 MB in the beginning and 118.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2304.08 ms. Allocated memory was 202.4 MB in the beginning and 269.5 MB in the end (delta: 67.1 MB). Free memory was 118.4 MB in the beginning and 156.0 MB in the end (delta: -37.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18957.26 ms. Allocated memory was 269.5 MB in the beginning and 582.0 MB in the end (delta: 312.5 MB). Free memory was 156.0 MB in the beginning and 75.2 MB in the end (delta: 80.8 MB). Peak memory consumption was 393.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3037]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 118 procedures, 809 locations, 1 error locations. SAFE Result, 18.8s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 12.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9130 SDtfs, 6384 SDslu, 53182 SDs, 0 SdLazy, 7717 SolverSat, 1403 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1261 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3755occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.0808510638297872 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 126 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2555 NumberOfCodeBlocks, 2555 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2544 ConstructedInterpolants, 0 QuantifiedInterpolants, 758499 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 518/524 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...