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_spec9_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:18:04,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:18:04,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:18:04,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:18:04,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:18:04,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:18:04,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:18:04,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:18:04,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:18:04,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:18:04,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:18:04,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:18:04,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:18:04,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:18:04,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:18:04,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:18:04,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:18:04,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:18:04,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:18:04,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:18:04,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:18:04,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:18:04,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:18:04,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:18:04,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:18:04,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:18:04,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:18:04,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:18:04,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:18:04,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:18:04,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:18:04,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:18:04,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:18:04,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:18:04,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:18:04,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:18:04,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:18:04,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:18:04,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:18:04,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:18:04,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:18:04,146 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 [2019-10-15 03:18:04,160 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:18:04,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:18:04,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:18:04,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:18:04,162 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:18:04,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:18:04,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:18:04,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:18:04,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:18:04,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:18:04,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:18:04,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:18:04,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:18:04,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:18:04,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:18:04,165 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:18:04,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:18:04,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:18:04,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:18:04,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:18:04,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:18:04,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:18:04,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:18:04,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:18:04,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:18:04,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:18:04,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:18:04,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:18:04,167 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 [2019-10-15 03:18:04,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:18:04,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:18:04,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:18:04,504 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:18:04,505 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:18:04,505 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product22.cil.c [2019-10-15 03:18:04,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013e32c75/762761c4ad7d467e86826f8c323801c6/FLAG27ef6445a [2019-10-15 03:18:05,187 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:18:05,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product22.cil.c [2019-10-15 03:18:05,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013e32c75/762761c4ad7d467e86826f8c323801c6/FLAG27ef6445a [2019-10-15 03:18:05,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013e32c75/762761c4ad7d467e86826f8c323801c6 [2019-10-15 03:18:05,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:18:05,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:18:05,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:18:05,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:18:05,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:18:05,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:18:05" (1/1) ... [2019-10-15 03:18:05,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7492c7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:05, skipping insertion in model container [2019-10-15 03:18:05,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:18:05" (1/1) ... [2019-10-15 03:18:05,434 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:18:05,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:18:06,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:18:06,417 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:18:06,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:18:06,636 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:18:06,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:06 WrapperNode [2019-10-15 03:18:06,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:18:06,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:18:06,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:18:06,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:18:06,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:06" (1/1) ... [2019-10-15 03:18:06,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:06" (1/1) ... [2019-10-15 03:18:06,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:06" (1/1) ... [2019-10-15 03:18:06,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:06" (1/1) ... [2019-10-15 03:18:06,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:06" (1/1) ... [2019-10-15 03:18:06,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:06" (1/1) ... [2019-10-15 03:18:06,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:06" (1/1) ... [2019-10-15 03:18:06,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:18:06,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:18:06,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:18:06,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:18:06,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:06" (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 [2019-10-15 03:18:06,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:18:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:18:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:18:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:18:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:18:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:18:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:18:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:18:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:18:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:18:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:18:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:18:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:18:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:18:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:18:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:18:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:18:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:18:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:18:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:18:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:18:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:18:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:18:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:18:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:18:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:18:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:18:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:18:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:18:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:18:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:18:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:18:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:18:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:18:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:18:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:18:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:18:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:18:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:18:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:18:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:18:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:18:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:18:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:18:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:18:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:18:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:18:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:18:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:18:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:18:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:18:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:18:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:18:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:18:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:18:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:18:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:18:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:18:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:18:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:18:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:18:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:18:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:18:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:18:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:18:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-15 03:18:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:18:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:18:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:18:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:18:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:18:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:18:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:18:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:18:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:18:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:18:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:18:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:18:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:18:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:18:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:18:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:18:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:18:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:18:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:18:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:18:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:18:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:18:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:18:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:18:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:18:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:18:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:18:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:18:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:18:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:18:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:18:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:18:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:18:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:18:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:18:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:18:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:18:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:18:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:18:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:18:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-15 03:18:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-15 03:18:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:18:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:18:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:18:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:18:06,922 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:18:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:18:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:18:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:18:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:18:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:18:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:18:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:18:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:18:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:18:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:18:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:18:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:18:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:18:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:18:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:18:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:18:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:18:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:18:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:18:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:18:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:18:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:18:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:18:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:18:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:18:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:18:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:18:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:18:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:18:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:18:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:18:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:18:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:18:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:18:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:18:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:18:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:18:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:18:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:18:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:18:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:18:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:18:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:18:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:18:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:18:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:18:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:18:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:18:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:18:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:18:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:18:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:18:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:18:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:18:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:18:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:18:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:18:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:18:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:18:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:18:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:18:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:18:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:18:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:18:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:18:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:18:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:18:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:18:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:18:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:18:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:18:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:18:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:18:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:18:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:18:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:18:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:18:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:18:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:18:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:18:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:18:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:18:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:18:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:18:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:18:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:18:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-15 03:18:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:18:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:18:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-15 03:18:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:18:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-15 03:18:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:18:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:18:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:18:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:18:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:18:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:18:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:18:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:18:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:18:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:18:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:18:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:18:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:18:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:18:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:18:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:18:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:18:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:18:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:18:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:18:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:18:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:18:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:18:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:18:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:18:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:18:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:18:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:18:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:18:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:18:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:18:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:18:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:18:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:18:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:18:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:18:11,701 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:18:11,702 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:18:11,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:18:11 BoogieIcfgContainer [2019-10-15 03:18:11,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:18:11,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:18:11,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:18:11,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:18:11,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:18:05" (1/3) ... [2019-10-15 03:18:11,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5618c313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:18:11, skipping insertion in model container [2019-10-15 03:18:11,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:06" (2/3) ... [2019-10-15 03:18:11,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5618c313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:18:11, skipping insertion in model container [2019-10-15 03:18:11,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:18:11" (3/3) ... [2019-10-15 03:18:11,713 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product22.cil.c [2019-10-15 03:18:11,725 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:18:11,734 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:18:11,748 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:18:11,778 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:18:11,778 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:18:11,778 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:18:11,778 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:18:11,779 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:18:11,779 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:18:11,779 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:18:11,779 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:18:11,808 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states. [2019-10-15 03:18:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-15 03:18:11,824 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:11,826 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] [2019-10-15 03:18:11,828 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:11,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:11,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1943766214, now seen corresponding path program 1 times [2019-10-15 03:18:11,844 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:11,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439918275] [2019-10-15 03:18:11,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:11,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:11,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:12,451 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439918275] [2019-10-15 03:18:12,452 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:12,453 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:18:12,453 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622219116] [2019-10-15 03:18:12,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:18:12,458 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:12,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:18:12,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:18:12,475 INFO L87 Difference]: Start difference. First operand 375 states. Second operand 2 states. [2019-10-15 03:18:12,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:12,539 INFO L93 Difference]: Finished difference Result 551 states and 650 transitions. [2019-10-15 03:18:12,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:18:12,541 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 114 [2019-10-15 03:18:12,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:12,570 INFO L225 Difference]: With dead ends: 551 [2019-10-15 03:18:12,571 INFO L226 Difference]: Without dead ends: 354 [2019-10-15 03:18:12,579 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 [2019-10-15 03:18:12,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-10-15 03:18:12,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2019-10-15 03:18:12,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-10-15 03:18:12,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 417 transitions. [2019-10-15 03:18:12,692 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 417 transitions. Word has length 114 [2019-10-15 03:18:12,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:12,694 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 417 transitions. [2019-10-15 03:18:12,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:18:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 417 transitions. [2019-10-15 03:18:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-15 03:18:12,699 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:12,699 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] [2019-10-15 03:18:12,700 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:12,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:12,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1118741200, now seen corresponding path program 1 times [2019-10-15 03:18:12,701 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:12,701 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546380062] [2019-10-15 03:18:12,702 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:12,702 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:12,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:12,957 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546380062] [2019-10-15 03:18:12,957 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:12,957 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:12,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705332700] [2019-10-15 03:18:12,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:12,961 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:12,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:12,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:12,961 INFO L87 Difference]: Start difference. First operand 354 states and 417 transitions. Second operand 3 states. [2019-10-15 03:18:13,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:13,012 INFO L93 Difference]: Finished difference Result 536 states and 622 transitions. [2019-10-15 03:18:13,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:13,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-10-15 03:18:13,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:13,018 INFO L225 Difference]: With dead ends: 536 [2019-10-15 03:18:13,018 INFO L226 Difference]: Without dead ends: 356 [2019-10-15 03:18:13,020 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 [2019-10-15 03:18:13,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-10-15 03:18:13,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2019-10-15 03:18:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-10-15 03:18:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 419 transitions. [2019-10-15 03:18:13,061 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 419 transitions. Word has length 115 [2019-10-15 03:18:13,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:13,062 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 419 transitions. [2019-10-15 03:18:13,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:13,062 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 419 transitions. [2019-10-15 03:18:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-15 03:18:13,067 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:13,067 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] [2019-10-15 03:18:13,067 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:13,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:13,068 INFO L82 PathProgramCache]: Analyzing trace with hash 957558595, now seen corresponding path program 1 times [2019-10-15 03:18:13,071 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:13,072 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146934031] [2019-10-15 03:18:13,072 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:13,072 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:13,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:13,355 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146934031] [2019-10-15 03:18:13,356 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:13,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:13,358 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490203909] [2019-10-15 03:18:13,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:13,359 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:13,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:13,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:13,360 INFO L87 Difference]: Start difference. First operand 356 states and 419 transitions. Second operand 3 states. [2019-10-15 03:18:13,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:13,415 INFO L93 Difference]: Finished difference Result 696 states and 848 transitions. [2019-10-15 03:18:13,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:13,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-15 03:18:13,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:13,423 INFO L225 Difference]: With dead ends: 696 [2019-10-15 03:18:13,423 INFO L226 Difference]: Without dead ends: 398 [2019-10-15 03:18:13,428 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 [2019-10-15 03:18:13,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-10-15 03:18:13,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 397. [2019-10-15 03:18:13,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-10-15 03:18:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 490 transitions. [2019-10-15 03:18:13,487 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 490 transitions. Word has length 127 [2019-10-15 03:18:13,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:13,488 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 490 transitions. [2019-10-15 03:18:13,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 490 transitions. [2019-10-15 03:18:13,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-15 03:18:13,497 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:13,497 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] [2019-10-15 03:18:13,498 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:13,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:13,498 INFO L82 PathProgramCache]: Analyzing trace with hash -392699618, now seen corresponding path program 1 times [2019-10-15 03:18:13,498 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:13,500 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865227280] [2019-10-15 03:18:13,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:13,501 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:13,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:18:13,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865227280] [2019-10-15 03:18:13,839 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:13,840 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:13,840 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149920459] [2019-10-15 03:18:13,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:13,843 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:13,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:13,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:13,844 INFO L87 Difference]: Start difference. First operand 397 states and 490 transitions. Second operand 3 states. [2019-10-15 03:18:13,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:13,900 INFO L93 Difference]: Finished difference Result 610 states and 733 transitions. [2019-10-15 03:18:13,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:13,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-10-15 03:18:13,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:13,906 INFO L225 Difference]: With dead ends: 610 [2019-10-15 03:18:13,906 INFO L226 Difference]: Without dead ends: 431 [2019-10-15 03:18:13,907 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:13,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-10-15 03:18:13,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2019-10-15 03:18:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2019-10-15 03:18:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 522 transitions. [2019-10-15 03:18:13,940 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 522 transitions. Word has length 128 [2019-10-15 03:18:13,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:13,942 INFO L462 AbstractCegarLoop]: Abstraction has 431 states and 522 transitions. [2019-10-15 03:18:13,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 522 transitions. [2019-10-15 03:18:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-15 03:18:13,950 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:13,951 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 03:18:13,951 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:13,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:13,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1808794563, now seen corresponding path program 1 times [2019-10-15 03:18:13,952 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:13,952 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835193794] [2019-10-15 03:18:13,952 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:13,952 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:13,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 03:18:14,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835193794] [2019-10-15 03:18:14,278 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:14,278 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 03:18:14,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044320330] [2019-10-15 03:18:14,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:18:14,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:14,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:18:14,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:18:14,282 INFO L87 Difference]: Start difference. First operand 431 states and 522 transitions. Second operand 11 states. [2019-10-15 03:18:17,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:17,006 INFO L93 Difference]: Finished difference Result 555 states and 648 transitions. [2019-10-15 03:18:17,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 03:18:17,011 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2019-10-15 03:18:17,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:17,015 INFO L225 Difference]: With dead ends: 555 [2019-10-15 03:18:17,015 INFO L226 Difference]: Without dead ends: 487 [2019-10-15 03:18:17,017 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2019-10-15 03:18:17,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-10-15 03:18:17,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 485. [2019-10-15 03:18:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2019-10-15 03:18:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 576 transitions. [2019-10-15 03:18:17,045 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 576 transitions. Word has length 222 [2019-10-15 03:18:17,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:17,046 INFO L462 AbstractCegarLoop]: Abstraction has 485 states and 576 transitions. [2019-10-15 03:18:17,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:18:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 576 transitions. [2019-10-15 03:18:17,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-15 03:18:17,050 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:17,051 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 03:18:17,051 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:17,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:17,051 INFO L82 PathProgramCache]: Analyzing trace with hash -475712661, now seen corresponding path program 1 times [2019-10-15 03:18:17,052 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:17,052 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096084864] [2019-10-15 03:18:17,052 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:17,052 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:17,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:17,590 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-15 03:18:17,590 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096084864] [2019-10-15 03:18:17,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81249947] [2019-10-15 03:18:17,591 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 [2019-10-15 03:18:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:18,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 3027 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:18:18,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:18:18,414 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 03:18:18,414 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:18:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-15 03:18:19,007 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [153859993] [2019-10-15 03:18:19,039 INFO L162 IcfgInterpreter]: Started Sifa with 195 locations of interest [2019-10-15 03:18:19,039 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:18:19,047 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:18:19,055 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:18:19,056 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs