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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:12:20,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:12:20,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:12:20,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:12:20,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:12:20,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:12:20,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:12:20,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:12:20,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:12:20,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:12:20,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:12:20,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:12:20,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:12:20,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:12:20,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:12:20,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:12:20,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:12:20,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:12:20,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:12:20,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:12:20,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:12:20,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:12:20,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:12:20,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:12:20,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:12:20,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:12:20,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:12:20,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:12:20,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:12:20,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:12:20,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:12:20,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:12:20,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:12:20,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:12:20,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:12:20,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:12:20,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:12:20,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:12:20,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:12:20,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:12:20,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:12:20,717 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:12:20,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:12:20,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:12:20,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:12:20,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:12:20,736 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:12:20,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:12:20,737 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:12:20,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:12:20,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:12:20,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:12:20,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:12:20,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:12:20,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:12:20,738 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:12:20,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:12:20,739 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:12:20,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:12:20,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:12:20,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:12:20,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:12:20,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:12:20,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:12:20,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:12:20,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:12:20,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:12:20,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:12:20,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:12:20,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:12:20,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:12:21,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:12:21,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:12:21,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:12:21,086 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:12:21,086 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:12:21,087 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2019-10-13 23:12:21,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/776386b04/8c7696ba9125469a8df3732d67df514c/FLAG202f9c392 [2019-10-13 23:12:21,799 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:12:21,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2019-10-13 23:12:21,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/776386b04/8c7696ba9125469a8df3732d67df514c/FLAG202f9c392 [2019-10-13 23:12:22,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/776386b04/8c7696ba9125469a8df3732d67df514c [2019-10-13 23:12:22,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:12:22,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:12:22,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:12:22,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:12:22,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:12:22,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:12:22" (1/1) ... [2019-10-13 23:12:22,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3283d116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:22, skipping insertion in model container [2019-10-13 23:12:22,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:12:22" (1/1) ... [2019-10-13 23:12:22,040 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:12:22,122 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:12:22,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:12:22,904 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:12:23,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:12:23,205 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:12:23,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:23 WrapperNode [2019-10-13 23:12:23,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:12:23,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:12:23,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:12:23,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:12:23,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:23" (1/1) ... [2019-10-13 23:12:23,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:23" (1/1) ... [2019-10-13 23:12:23,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:23" (1/1) ... [2019-10-13 23:12:23,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:23" (1/1) ... [2019-10-13 23:12:23,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:23" (1/1) ... [2019-10-13 23:12:23,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:23" (1/1) ... [2019-10-13 23:12:23,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:23" (1/1) ... [2019-10-13 23:12:23,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:12:23,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:12:23,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:12:23,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:12:23,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:23" (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 [2019-10-13 23:12:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:12:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:12:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:12:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:12:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:12:23,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:12:23,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:12:23,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:12:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:12:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:12:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:12:23,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:12:23,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:12:23,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:12:23,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:12:23,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:12:23,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:12:23,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:12:23,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:12:23,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:12:23,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:12:23,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:12:23,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:12:23,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:12:23,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:12:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:12:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:12:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:12:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:12:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:12:23,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:12:23,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:12:23,510 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:12:23,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:12:23,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:12:23,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:12:23,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:12:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:12:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:12:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:12:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:12:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:12:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:12:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:12:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:12:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:12:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:12:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:12:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:12:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:12:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:12:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:12:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:12:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:12:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:12:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:12:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:12:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:12:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:12:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:12:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:12:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-13 23:12:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-13 23:12:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:12:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:12:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:12:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:12:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:12:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:12:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:12:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:12:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:12:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:12:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:12:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:12:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:12:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:12:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:12:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:12:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:12:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:12:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:12:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:12:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:12:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:12:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:12:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:12:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:12:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:12:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:12:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:12:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:12:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:12:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:12:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:12:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:12:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:12:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-13 23:12:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:12:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:12:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:12:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:12:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:12:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:12:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:12:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:12:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:12:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:12:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:12:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:12:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:12:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:12:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:12:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:12:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:12:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:12:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:12:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:12:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:12:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:12:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:12:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:12:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:12:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:12:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:12:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:12:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:12:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:12:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:12:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:12:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:12:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:12:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:12:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:12:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:12:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:12:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:12:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:12:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:12:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:12:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:12:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:12:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:12:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:12:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:12:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:12:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:12:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:12:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:12:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:12:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:12:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:12:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:12:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:12:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:12:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:12:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:12:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:12:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:12:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:12:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:12:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:12:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:12:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:12:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:12:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:12:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:12:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:12:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:12:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:12:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:12:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:12:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:12:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:12:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:12:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:12:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:12:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:12:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:12:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:12:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:12:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:12:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:12:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:12:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:12:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:12:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-13 23:12:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-13 23:12:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:12:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:12:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:12:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:12:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:12:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:12:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:12:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:12:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:12:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:12:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:12:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:12:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:12:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:12:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:12:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:12:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:12:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:12:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:12:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:12:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:12:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:12:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:12:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:12:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:12:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:12:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:12:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:12:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:12:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:12:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:12:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:12:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:12:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:12:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:12:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:12:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:12:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:12:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:12:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:12:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:12:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:12:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:12:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:12:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:12:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:12:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:12:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:12:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-13 23:12:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:12:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:12:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:12:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:12:28,177 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:12:28,178 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:12:28,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:12:28 BoogieIcfgContainer [2019-10-13 23:12:28,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:12:28,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:12:28,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:12:28,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:12:28,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:12:22" (1/3) ... [2019-10-13 23:12:28,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b2e2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:12:28, skipping insertion in model container [2019-10-13 23:12:28,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:23" (2/3) ... [2019-10-13 23:12:28,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b2e2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:12:28, skipping insertion in model container [2019-10-13 23:12:28,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:12:28" (3/3) ... [2019-10-13 23:12:28,189 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2019-10-13 23:12:28,200 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:12:28,212 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:12:28,224 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:12:28,307 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:12:28,307 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:12:28,307 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:12:28,308 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:12:28,308 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:12:28,308 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:12:28,308 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:12:28,308 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:12:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states. [2019-10-13 23:12:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-13 23:12:28,365 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:28,366 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:12:28,370 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:28,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:28,376 INFO L82 PathProgramCache]: Analyzing trace with hash 422861143, now seen corresponding path program 1 times [2019-10-13 23:12:28,386 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:28,386 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362796628] [2019-10-13 23:12:28,387 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:28,387 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:28,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:29,022 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362796628] [2019-10-13 23:12:29,023 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:29,024 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:12:29,024 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274629804] [2019-10-13 23:12:29,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:12:29,029 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:29,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:12:29,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:12:29,047 INFO L87 Difference]: Start difference. First operand 389 states. Second operand 2 states. [2019-10-13 23:12:29,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:29,130 INFO L93 Difference]: Finished difference Result 518 states and 617 transitions. [2019-10-13 23:12:29,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:12:29,135 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-13 23:12:29,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:29,173 INFO L225 Difference]: With dead ends: 518 [2019-10-13 23:12:29,173 INFO L226 Difference]: Without dead ends: 341 [2019-10-13 23:12:29,188 INFO L600 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 [2019-10-13 23:12:29,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-10-13 23:12:29,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2019-10-13 23:12:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-10-13 23:12:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 403 transitions. [2019-10-13 23:12:29,328 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 403 transitions. Word has length 121 [2019-10-13 23:12:29,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:29,331 INFO L462 AbstractCegarLoop]: Abstraction has 341 states and 403 transitions. [2019-10-13 23:12:29,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:12:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 403 transitions. [2019-10-13 23:12:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-13 23:12:29,343 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:29,344 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:12:29,344 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:29,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:29,345 INFO L82 PathProgramCache]: Analyzing trace with hash 955406957, now seen corresponding path program 1 times [2019-10-13 23:12:29,345 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:29,346 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209159110] [2019-10-13 23:12:29,346 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:29,346 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:29,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:29,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209159110] [2019-10-13 23:12:29,674 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:29,674 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:12:29,674 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290432881] [2019-10-13 23:12:29,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:12:29,676 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:29,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:12:29,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:29,677 INFO L87 Difference]: Start difference. First operand 341 states and 403 transitions. Second operand 3 states. [2019-10-13 23:12:29,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:29,747 INFO L93 Difference]: Finished difference Result 503 states and 586 transitions. [2019-10-13 23:12:29,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:12:29,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-13 23:12:29,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:29,752 INFO L225 Difference]: With dead ends: 503 [2019-10-13 23:12:29,752 INFO L226 Difference]: Without dead ends: 343 [2019-10-13 23:12:29,754 INFO L600 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 [2019-10-13 23:12:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-10-13 23:12:29,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2019-10-13 23:12:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-10-13 23:12:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 405 transitions. [2019-10-13 23:12:29,780 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 405 transitions. Word has length 122 [2019-10-13 23:12:29,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:29,781 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 405 transitions. [2019-10-13 23:12:29,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:12:29,782 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 405 transitions. [2019-10-13 23:12:29,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-13 23:12:29,786 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:29,786 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:12:29,789 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:29,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:29,789 INFO L82 PathProgramCache]: Analyzing trace with hash -379364, now seen corresponding path program 1 times [2019-10-13 23:12:29,789 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:29,790 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972959076] [2019-10-13 23:12:29,790 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:29,790 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:29,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:30,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972959076] [2019-10-13 23:12:30,084 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:30,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:12:30,084 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58289409] [2019-10-13 23:12:30,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:12:30,086 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:30,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:12:30,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:30,087 INFO L87 Difference]: Start difference. First operand 343 states and 405 transitions. Second operand 3 states. [2019-10-13 23:12:30,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:30,140 INFO L93 Difference]: Finished difference Result 670 states and 820 transitions. [2019-10-13 23:12:30,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:12:30,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-13 23:12:30,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:30,147 INFO L225 Difference]: With dead ends: 670 [2019-10-13 23:12:30,147 INFO L226 Difference]: Without dead ends: 385 [2019-10-13 23:12:30,152 INFO L600 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 [2019-10-13 23:12:30,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-10-13 23:12:30,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 384. [2019-10-13 23:12:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-10-13 23:12:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 476 transitions. [2019-10-13 23:12:30,190 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 476 transitions. Word has length 131 [2019-10-13 23:12:30,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:30,191 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 476 transitions. [2019-10-13 23:12:30,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:12:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 476 transitions. [2019-10-13 23:12:30,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-13 23:12:30,197 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:30,197 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:12:30,197 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:30,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:30,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1617566755, now seen corresponding path program 1 times [2019-10-13 23:12:30,199 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:30,199 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760676128] [2019-10-13 23:12:30,200 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:30,200 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:30,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:30,394 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760676128] [2019-10-13 23:12:30,394 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:30,394 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:12:30,394 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572768094] [2019-10-13 23:12:30,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:12:30,398 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:30,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:12:30,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:30,398 INFO L87 Difference]: Start difference. First operand 384 states and 476 transitions. Second operand 3 states. [2019-10-13 23:12:30,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:30,439 INFO L93 Difference]: Finished difference Result 790 states and 1028 transitions. [2019-10-13 23:12:30,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:12:30,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-13 23:12:30,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:30,446 INFO L225 Difference]: With dead ends: 790 [2019-10-13 23:12:30,446 INFO L226 Difference]: Without dead ends: 464 [2019-10-13 23:12:30,448 INFO L600 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 [2019-10-13 23:12:30,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-13 23:12:30,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 463. [2019-10-13 23:12:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2019-10-13 23:12:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 612 transitions. [2019-10-13 23:12:30,474 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 612 transitions. Word has length 132 [2019-10-13 23:12:30,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:30,476 INFO L462 AbstractCegarLoop]: Abstraction has 463 states and 612 transitions. [2019-10-13 23:12:30,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:12:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 612 transitions. [2019-10-13 23:12:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 23:12:30,483 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:30,483 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:12:30,483 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:30,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:30,484 INFO L82 PathProgramCache]: Analyzing trace with hash -262439639, now seen corresponding path program 1 times [2019-10-13 23:12:30,484 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:30,484 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520296253] [2019-10-13 23:12:30,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:30,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:30,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:30,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520296253] [2019-10-13 23:12:30,727 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050543982] [2019-10-13 23:12:30,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:12:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:31,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:12:31,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:12:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:31,851 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:12:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:32,069 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1621173523] [2019-10-13 23:12:32,100 INFO L162 IcfgInterpreter]: Started Sifa with 124 locations of interest [2019-10-13 23:12:32,100 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:12:32,107 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:12:32,115 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:12:32,116 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs