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_spec4_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:15:17,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:15:17,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:15:17,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:15:17,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:15:17,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:15:17,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:15:17,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:15:17,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:15:17,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:15:17,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:15:17,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:15:17,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:15:17,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:15:17,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:15:17,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:15:17,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:15:17,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:15:17,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:15:17,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:15:17,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:15:17,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:15:17,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:15:17,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:15:17,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:15:17,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:15:17,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:15:17,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:15:17,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:15:17,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:15:17,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:15:17,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:15:17,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:15:17,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:15:17,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:15:17,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:15:17,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:15:17,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:15:17,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:15:17,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:15:17,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:15:17,575 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 03:15:17,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:15:17,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:15:17,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:15:17,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:15:17,592 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:15:17,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:15:17,592 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:15:17,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:15:17,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:15:17,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:15:17,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:15:17,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:15:17,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:15:17,593 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:15:17,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:15:17,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:15:17,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:15:17,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:15:17,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:15:17,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:15:17,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:15:17,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:15:17,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:15:17,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:15:17,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:15:17,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:15:17,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:15:17,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:15:17,596 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 03:15:17,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:15:17,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:15:17,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:15:17,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:15:17,940 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:15:17,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product35.cil.c [2019-10-15 03:15:18,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9038b3131/3500f6933dec4fca908dabd4421eb8a5/FLAGddc1a08de [2019-10-15 03:15:18,684 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:15:18,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product35.cil.c [2019-10-15 03:15:18,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9038b3131/3500f6933dec4fca908dabd4421eb8a5/FLAGddc1a08de [2019-10-15 03:15:18,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9038b3131/3500f6933dec4fca908dabd4421eb8a5 [2019-10-15 03:15:18,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:15:18,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:15:18,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:15:18,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:15:18,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:15:18,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:15:18" (1/1) ... [2019-10-15 03:15:18,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7a609f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:18, skipping insertion in model container [2019-10-15 03:15:18,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:15:18" (1/1) ... [2019-10-15 03:15:18,886 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:15:18,971 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:15:19,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:15:19,872 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:15:19,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:15:20,054 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:15:20,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20 WrapperNode [2019-10-15 03:15:20,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:15:20,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:15:20,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:15:20,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:15:20,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20" (1/1) ... [2019-10-15 03:15:20,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20" (1/1) ... [2019-10-15 03:15:20,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20" (1/1) ... [2019-10-15 03:15:20,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20" (1/1) ... [2019-10-15 03:15:20,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20" (1/1) ... [2019-10-15 03:15:20,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20" (1/1) ... [2019-10-15 03:15:20,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20" (1/1) ... [2019-10-15 03:15:20,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:15:20,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:15:20,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:15:20,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:15:20,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20" (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 03:15:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:15:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:15:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:15:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:15:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:15:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:15:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:15:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:15:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:15:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:15:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:15:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:15:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:15:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:15:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:15:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:15:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:15:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:15:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:15:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:15:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:15:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:15:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:15:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:15:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:15:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:15:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:15:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:15:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:15:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:15:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:15:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:15:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:15:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:15:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:15:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:15:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:15:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:15:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:15:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:15:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:15:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:15:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:15:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:15:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:15:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:15:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:15:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:15:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:15:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:15:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:15:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:15:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:15:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:15:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:15:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:15:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:15:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:15:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:15:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:15:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:15:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:15:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:15:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:15:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:15:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:15:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:15:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:15:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:15:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:15:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:15:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:15:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:15:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:15:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:15:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:15:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:15:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:15:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:15:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:15:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:15:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:15:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:15:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:15:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:15:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:15:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:15:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:15:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:15:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:15:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:15:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:15:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:15:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:15:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:15:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:15:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:15:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:15:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:15:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:15:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:15:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:15:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:15:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:15:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:15:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:15:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:15:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:15:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:15:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:15:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:15:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:15:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:15:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:15:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:15:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:15:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:15:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:15:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:15:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:15:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-15 03:15:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:15:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:15:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:15:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:15:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:15:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:15:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:15:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:15:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:15:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:15:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:15:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:15:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:15:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:15:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:15:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:15:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:15:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:15:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:15:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:15:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:15:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:15:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:15:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:15:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:15:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:15:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:15:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:15:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:15:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:15:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:15:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:15:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:15:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:15:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:15:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:15:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:15:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:15:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:15:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:15:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:15:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:15:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:15:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:15:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:15:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:15:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:15:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:15:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:15:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:15:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:15:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:15:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:15:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:15:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:15:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:15:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:15:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:15:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:15:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:15:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:15:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:15:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:15:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:15:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:15:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:15:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:15:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:15:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:15:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:15:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:15:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:15:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:15:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:15:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:15:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:15:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:15:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:15:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:15:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:15:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:15:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:15:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:15:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:15:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:15:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:15:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:15:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:15:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:15:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:15:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:15:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:15:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:15:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:15:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:15:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:15:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:15:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:15:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:15:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:15:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:15:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:15:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:15:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:15:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:15:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:15:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:15:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:15:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:15:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:15:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:15:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:15:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:15:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:15:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:15:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:15:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:15:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:15:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:15:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:15:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:15:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:15:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:15:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:15:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:15:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-15 03:15:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:15:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:15:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:15:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:15:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:15:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:15:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:15:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:15:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:15:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:15:24,860 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:15:24,860 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:15:24,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:15:24 BoogieIcfgContainer [2019-10-15 03:15:24,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:15:24,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:15:24,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:15:24,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:15:24,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:15:18" (1/3) ... [2019-10-15 03:15:24,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3964d72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:15:24, skipping insertion in model container [2019-10-15 03:15:24,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20" (2/3) ... [2019-10-15 03:15:24,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3964d72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:15:24, skipping insertion in model container [2019-10-15 03:15:24,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:15:24" (3/3) ... [2019-10-15 03:15:24,871 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product35.cil.c [2019-10-15 03:15:24,883 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:15:24,893 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:15:24,906 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:15:24,950 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:15:24,950 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:15:24,950 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:15:24,950 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:15:24,951 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:15:24,951 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:15:24,951 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:15:24,952 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:15:25,000 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2019-10-15 03:15:25,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-15 03:15:25,026 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:25,028 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, 1] [2019-10-15 03:15:25,031 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:25,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:25,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1302559381, now seen corresponding path program 1 times [2019-10-15 03:15:25,049 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:25,049 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377177746] [2019-10-15 03:15:25,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:25,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:25,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:25,798 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 03:15:25,799 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377177746] [2019-10-15 03:15:25,800 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:25,800 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:15:25,801 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896703356] [2019-10-15 03:15:25,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:15:25,808 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:25,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:15:25,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:15:25,826 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 2 states. [2019-10-15 03:15:25,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:25,951 INFO L93 Difference]: Finished difference Result 733 states and 875 transitions. [2019-10-15 03:15:25,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:15:25,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-10-15 03:15:25,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:25,996 INFO L225 Difference]: With dead ends: 733 [2019-10-15 03:15:25,997 INFO L226 Difference]: Without dead ends: 452 [2019-10-15 03:15:26,004 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 03:15:26,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-10-15 03:15:26,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2019-10-15 03:15:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-10-15 03:15:26,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 535 transitions. [2019-10-15 03:15:26,104 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 535 transitions. Word has length 136 [2019-10-15 03:15:26,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:26,106 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 535 transitions. [2019-10-15 03:15:26,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:15:26,106 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 535 transitions. [2019-10-15 03:15:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-15 03:15:26,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:26,112 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, 1, 1] [2019-10-15 03:15:26,112 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:26,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:26,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1667097681, now seen corresponding path program 1 times [2019-10-15 03:15:26,113 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:26,113 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160280851] [2019-10-15 03:15:26,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:26,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:26,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:26,411 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 03:15:26,412 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160280851] [2019-10-15 03:15:26,412 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:26,412 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:15:26,412 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201614293] [2019-10-15 03:15:26,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:15:26,414 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:26,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:15:26,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:26,415 INFO L87 Difference]: Start difference. First operand 452 states and 535 transitions. Second operand 3 states. [2019-10-15 03:15:26,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:26,475 INFO L93 Difference]: Finished difference Result 718 states and 843 transitions. [2019-10-15 03:15:26,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:15:26,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-15 03:15:26,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:26,480 INFO L225 Difference]: With dead ends: 718 [2019-10-15 03:15:26,480 INFO L226 Difference]: Without dead ends: 454 [2019-10-15 03:15:26,483 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 03:15:26,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-15 03:15:26,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-15 03:15:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-15 03:15:26,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 537 transitions. [2019-10-15 03:15:26,532 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 537 transitions. Word has length 137 [2019-10-15 03:15:26,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:26,537 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 537 transitions. [2019-10-15 03:15:26,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:15:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 537 transitions. [2019-10-15 03:15:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-15 03:15:26,543 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:26,543 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:15:26,544 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:26,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:26,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1122759557, now seen corresponding path program 1 times [2019-10-15 03:15:26,546 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:26,546 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513201138] [2019-10-15 03:15:26,547 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:26,547 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:26,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:15:26,908 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513201138] [2019-10-15 03:15:26,908 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:26,909 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:15:26,909 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432251030] [2019-10-15 03:15:26,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:15:26,912 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:26,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:15:26,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:26,913 INFO L87 Difference]: Start difference. First operand 454 states and 537 transitions. Second operand 3 states. [2019-10-15 03:15:26,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:26,990 INFO L93 Difference]: Finished difference Result 894 states and 1087 transitions. [2019-10-15 03:15:26,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:15:26,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-15 03:15:26,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:26,999 INFO L225 Difference]: With dead ends: 894 [2019-10-15 03:15:26,999 INFO L226 Difference]: Without dead ends: 498 [2019-10-15 03:15:27,002 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 03:15:27,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2019-10-15 03:15:27,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 497. [2019-10-15 03:15:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2019-10-15 03:15:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 611 transitions. [2019-10-15 03:15:27,065 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 611 transitions. Word has length 149 [2019-10-15 03:15:27,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:27,067 INFO L462 AbstractCegarLoop]: Abstraction has 497 states and 611 transitions. [2019-10-15 03:15:27,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:15:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 611 transitions. [2019-10-15 03:15:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-15 03:15:27,080 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:27,081 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:15:27,081 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:27,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:27,082 INFO L82 PathProgramCache]: Analyzing trace with hash 318135744, now seen corresponding path program 1 times [2019-10-15 03:15:27,082 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:27,083 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116426374] [2019-10-15 03:15:27,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:27,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:27,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:15:27,852 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116426374] [2019-10-15 03:15:27,852 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:27,852 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-10-15 03:15:27,853 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352181559] [2019-10-15 03:15:27,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-15 03:15:27,854 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:27,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-15 03:15:27,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2019-10-15 03:15:27,854 INFO L87 Difference]: Start difference. First operand 497 states and 611 transitions. Second operand 23 states. [2019-10-15 03:15:39,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:39,207 INFO L93 Difference]: Finished difference Result 1062 states and 1285 transitions. [2019-10-15 03:15:39,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-15 03:15:39,208 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 150 [2019-10-15 03:15:39,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:39,215 INFO L225 Difference]: With dead ends: 1062 [2019-10-15 03:15:39,215 INFO L226 Difference]: Without dead ends: 804 [2019-10-15 03:15:39,218 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=1855, Unknown=0, NotChecked=0, Total=2070 [2019-10-15 03:15:39,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2019-10-15 03:15:39,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 795. [2019-10-15 03:15:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2019-10-15 03:15:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 970 transitions. [2019-10-15 03:15:39,268 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 970 transitions. Word has length 150 [2019-10-15 03:15:39,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:39,269 INFO L462 AbstractCegarLoop]: Abstraction has 795 states and 970 transitions. [2019-10-15 03:15:39,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-15 03:15:39,269 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 970 transitions. [2019-10-15 03:15:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-15 03:15:39,272 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:39,272 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:15:39,273 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:39,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:39,273 INFO L82 PathProgramCache]: Analyzing trace with hash -354099770, now seen corresponding path program 1 times [2019-10-15 03:15:39,273 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:39,274 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488199323] [2019-10-15 03:15:39,274 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:39,274 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:39,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:15:39,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488199323] [2019-10-15 03:15:39,915 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:39,915 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-15 03:15:39,915 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791965902] [2019-10-15 03:15:39,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-15 03:15:39,917 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:39,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-15 03:15:39,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2019-10-15 03:15:39,918 INFO L87 Difference]: Start difference. First operand 795 states and 970 transitions. Second operand 25 states. [2019-10-15 03:15:42,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:42,772 INFO L93 Difference]: Finished difference Result 902 states and 1095 transitions. [2019-10-15 03:15:42,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-15 03:15:42,775 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 156 [2019-10-15 03:15:42,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:42,785 INFO L225 Difference]: With dead ends: 902 [2019-10-15 03:15:42,786 INFO L226 Difference]: Without dead ends: 895 [2019-10-15 03:15:42,788 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=233, Invalid=2317, Unknown=0, NotChecked=0, Total=2550 [2019-10-15 03:15:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2019-10-15 03:15:42,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 888. [2019-10-15 03:15:42,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2019-10-15 03:15:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1080 transitions. [2019-10-15 03:15:42,842 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1080 transitions. Word has length 156 [2019-10-15 03:15:42,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:42,843 INFO L462 AbstractCegarLoop]: Abstraction has 888 states and 1080 transitions. [2019-10-15 03:15:42,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-15 03:15:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1080 transitions. [2019-10-15 03:15:42,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-10-15 03:15:42,850 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:42,851 INFO L380 BasicCegarLoop]: trace histogram [4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:42,851 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:42,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:42,851 INFO L82 PathProgramCache]: Analyzing trace with hash -944503550, now seen corresponding path program 1 times [2019-10-15 03:15:42,852 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:42,852 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026873473] [2019-10-15 03:15:42,852 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:42,852 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:42,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-10-15 03:15:43,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026873473] [2019-10-15 03:15:43,364 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:43,364 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:15:43,365 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436938883] [2019-10-15 03:15:43,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:15:43,366 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:43,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:15:43,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:15:43,366 INFO L87 Difference]: Start difference. First operand 888 states and 1080 transitions. Second operand 7 states. [2019-10-15 03:15:45,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:45,721 INFO L93 Difference]: Finished difference Result 1858 states and 2215 transitions. [2019-10-15 03:15:45,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:15:45,721 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 282 [2019-10-15 03:15:45,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:45,734 INFO L225 Difference]: With dead ends: 1858 [2019-10-15 03:15:45,734 INFO L226 Difference]: Without dead ends: 1361 [2019-10-15 03:15:45,736 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:15:45,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2019-10-15 03:15:45,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1329. [2019-10-15 03:15:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2019-10-15 03:15:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1594 transitions. [2019-10-15 03:15:45,830 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1594 transitions. Word has length 282 [2019-10-15 03:15:45,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:45,834 INFO L462 AbstractCegarLoop]: Abstraction has 1329 states and 1594 transitions. [2019-10-15 03:15:45,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:15:45,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1594 transitions. [2019-10-15 03:15:45,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-15 03:15:45,846 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:45,847 INFO L380 BasicCegarLoop]: trace histogram [4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:45,847 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:45,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:45,848 INFO L82 PathProgramCache]: Analyzing trace with hash -166759129, now seen corresponding path program 1 times [2019-10-15 03:15:45,848 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:45,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005084804] [2019-10-15 03:15:45,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:45,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:45,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-15 03:15:46,597 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005084804] [2019-10-15 03:15:46,597 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:46,597 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-15 03:15:46,597 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164309304] [2019-10-15 03:15:46,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-15 03:15:46,599 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:46,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-15 03:15:46,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:15:46,600 INFO L87 Difference]: Start difference. First operand 1329 states and 1594 transitions. Second operand 30 states.