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_spec27_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:13:50,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:13:50,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:13:50,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:13:50,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:13:50,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:13:50,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:13:50,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:13:50,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:13:50,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:13:50,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:13:50,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:13:50,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:13:50,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:13:50,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:13:50,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:13:50,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:13:50,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:13:50,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:13:50,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:13:50,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:13:50,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:13:50,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:13:50,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:13:50,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:13:50,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:13:50,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:13:50,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:13:50,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:13:50,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:13:50,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:13:50,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:13:50,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:13:50,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:13:50,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:13:50,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:13:50,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:13:50,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:13:50,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:13:50,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:13:50,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:13:50,469 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 03:13:50,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:13:50,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:13:50,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:13:50,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:13:50,489 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:13:50,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:13:50,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:13:50,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:13:50,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:13:50,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:13:50,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:13:50,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:13:50,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:13:50,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:13:50,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:13:50,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:13:50,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:13:50,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:13:50,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:13:50,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:13:50,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:13:50,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:13:50,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:13:50,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:13:50,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:13:50,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:13:50,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:13:50,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:13:50,494 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 03:13:50,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:13:50,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:13:50,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:13:50,790 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:13:50,791 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:13:50,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_productSimulator.cil.c [2019-10-15 03:13:50,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6553a2f/5343f34e96a5416daa525ed75d9c0a15/FLAG889eb1ea5 [2019-10-15 03:13:51,603 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:13:51,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_productSimulator.cil.c [2019-10-15 03:13:51,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6553a2f/5343f34e96a5416daa525ed75d9c0a15/FLAG889eb1ea5 [2019-10-15 03:13:51,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6553a2f/5343f34e96a5416daa525ed75d9c0a15 [2019-10-15 03:13:51,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:13:51,800 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:13:51,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:51,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:13:51,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:13:51,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:51" (1/1) ... [2019-10-15 03:13:51,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d01eef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:51, skipping insertion in model container [2019-10-15 03:13:51,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:51" (1/1) ... [2019-10-15 03:13:51,820 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:13:51,912 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:13:52,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:52,762 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:13:52,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:53,006 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:13:53,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53 WrapperNode [2019-10-15 03:13:53,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:53,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:13:53,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:13:53,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:13:53,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53" (1/1) ... [2019-10-15 03:13:53,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53" (1/1) ... [2019-10-15 03:13:53,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53" (1/1) ... [2019-10-15 03:13:53,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53" (1/1) ... [2019-10-15 03:13:53,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53" (1/1) ... [2019-10-15 03:13:53,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53" (1/1) ... [2019-10-15 03:13:53,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53" (1/1) ... [2019-10-15 03:13:53,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:13:53,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:13:53,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:13:53,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:13:53,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53" (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 03:13:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:13:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:13:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:53,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:53,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:13:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:13:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:13:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:13:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:13:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:13:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:13:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:13:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:13:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:13:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:13:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:13:53,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:13:53,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:13:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:13:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:13:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:13:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:13:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:13:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:13:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:13:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:13:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:13:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:13:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:13:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:13:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:13:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:13:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:13:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:13:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:13:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:13:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:13:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:13:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:13:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:13:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:13:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:13:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:13:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-15 03:13:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:13:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:13:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:13:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:13:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:13:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:13:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:13:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:13:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:13:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:13:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:13:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:13:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:13:53,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:13:53,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:13:53,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:13:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:13:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:13:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:13:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:13:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:13:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:13:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 03:13:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 03:13:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 03:13:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 03:13:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 03:13:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 03:13:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:13:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:13:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 03:13:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 03:13:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 03:13:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 03:13:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 03:13:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 03:13:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 03:13:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 03:13:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:13:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:13:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:13:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:13:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:13:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:13:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:13:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:13:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:13:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:13:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:13:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:13:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:13:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:13:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 03:13:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 03:13:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:13:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 03:13:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 03:13:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:13:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 03:13:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 03:13:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:13:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:13:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:13:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:13:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:13:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:13:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:13:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:13:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:13:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:13:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:13:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:13:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:13:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:13:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:13:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:13:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:13:53,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 03:13:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 03:13:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 03:13:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 03:13:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 03:13:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 03:13:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:13:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 03:13:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 03:13:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:13:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:13:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:13:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:13:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:13:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:13:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:13:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:13:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:13:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:13:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:13:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:13:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:13:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:13:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:13:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:13:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:13:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:13:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:13:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:13:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:13:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:13:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:13:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:13:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:13:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:13:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:13:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:13:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:13:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:13:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:13:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:13:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:13:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:13:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:13:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:13:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:13:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:13:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:13:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:13:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:13:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:13:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:13:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:13:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:13:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:13:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:13:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:13:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:13:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-15 03:13:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:13:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:13:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:13:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:13:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:13:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:13:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:13:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:13:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:13:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:13:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:13:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:13:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:13:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:13:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:13:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:13:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:13:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:13:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:13:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:13:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:13:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:13:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:13:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:13:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:13:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:13:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:13:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:13:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:13:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:13:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:13:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:13:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:13:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:13:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:13:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:13:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:13:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:13:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:13:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 03:13:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 03:13:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 03:13:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 03:13:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 03:13:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 03:13:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 03:13:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 03:13:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 03:13:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 03:13:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 03:13:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 03:13:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 03:13:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 03:13:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:13:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:13:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:13:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:13:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:13:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:13:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:13:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:13:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 03:13:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 03:13:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 03:13:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 03:13:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 03:13:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 03:13:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:13:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 03:13:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 03:13:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 03:13:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 03:13:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 03:13:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 03:13:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 03:13:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 03:13:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:13:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:13:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:13:58,223 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:13:58,224 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:13:58,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:58 BoogieIcfgContainer [2019-10-15 03:13:58,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:13:58,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:13:58,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:13:58,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:13:58,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:13:51" (1/3) ... [2019-10-15 03:13:58,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d428b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:58, skipping insertion in model container [2019-10-15 03:13:58,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53" (2/3) ... [2019-10-15 03:13:58,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d428b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:58, skipping insertion in model container [2019-10-15 03:13:58,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:58" (3/3) ... [2019-10-15 03:13:58,233 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2019-10-15 03:13:58,243 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:13:58,252 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:13:58,264 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:13:58,296 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:13:58,296 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:13:58,296 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:13:58,296 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:13:58,296 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:13:58,296 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:13:58,297 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:13:58,297 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:13:58,328 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states. [2019-10-15 03:13:58,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-15 03:13:58,348 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:58,350 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:58,351 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:58,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:58,357 INFO L82 PathProgramCache]: Analyzing trace with hash 362165673, now seen corresponding path program 1 times [2019-10-15 03:13:58,367 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:58,368 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914500547] [2019-10-15 03:13:58,368 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:58,368 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:58,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:13:59,174 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914500547] [2019-10-15 03:13:59,175 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:59,176 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:13:59,176 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969228514] [2019-10-15 03:13:59,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:13:59,183 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:59,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:13:59,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:13:59,201 INFO L87 Difference]: Start difference. First operand 609 states. Second operand 6 states. [2019-10-15 03:13:59,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:59,442 INFO L93 Difference]: Finished difference Result 1140 states and 1446 transitions. [2019-10-15 03:13:59,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:13:59,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2019-10-15 03:13:59,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:59,483 INFO L225 Difference]: With dead ends: 1140 [2019-10-15 03:13:59,483 INFO L226 Difference]: Without dead ends: 582 [2019-10-15 03:13:59,496 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:13:59,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-10-15 03:13:59,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-10-15 03:13:59,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-10-15 03:13:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2019-10-15 03:13:59,728 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 168 [2019-10-15 03:13:59,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:59,731 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2019-10-15 03:13:59,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:13:59,731 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2019-10-15 03:13:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-15 03:13:59,737 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:59,737 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:59,738 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:59,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:59,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1035734531, now seen corresponding path program 1 times [2019-10-15 03:13:59,738 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:59,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566363662] [2019-10-15 03:13:59,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:59,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:59,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:13:59,925 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566363662] [2019-10-15 03:13:59,926 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:59,926 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:13:59,926 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488591042] [2019-10-15 03:13:59,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:13:59,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:59,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:13:59,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:13:59,929 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand 4 states. [2019-10-15 03:14:00,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:00,765 INFO L93 Difference]: Finished difference Result 1124 states and 1404 transitions. [2019-10-15 03:14:00,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:14:00,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-10-15 03:14:00,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:00,773 INFO L225 Difference]: With dead ends: 1124 [2019-10-15 03:14:00,774 INFO L226 Difference]: Without dead ends: 582 [2019-10-15 03:14:00,786 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:14:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-10-15 03:14:00,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-10-15 03:14:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-10-15 03:14:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 712 transitions. [2019-10-15 03:14:00,841 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 712 transitions. Word has length 174 [2019-10-15 03:14:00,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:00,842 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 712 transitions. [2019-10-15 03:14:00,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:14:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 712 transitions. [2019-10-15 03:14:00,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-15 03:14:00,853 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:00,854 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:00,854 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:00,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:00,855 INFO L82 PathProgramCache]: Analyzing trace with hash 726963590, now seen corresponding path program 1 times [2019-10-15 03:14:00,855 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:00,855 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779069064] [2019-10-15 03:14:00,855 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:00,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:00,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:14:01,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779069064] [2019-10-15 03:14:01,123 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:01,124 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:01,124 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334626342] [2019-10-15 03:14:01,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:01,125 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:01,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:01,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:01,126 INFO L87 Difference]: Start difference. First operand 582 states and 712 transitions. Second operand 3 states. [2019-10-15 03:14:01,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:01,230 INFO L93 Difference]: Finished difference Result 1638 states and 2049 transitions. [2019-10-15 03:14:01,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:01,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-10-15 03:14:01,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:01,238 INFO L225 Difference]: With dead ends: 1638 [2019-10-15 03:14:01,238 INFO L226 Difference]: Without dead ends: 1096 [2019-10-15 03:14:01,241 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 03:14:01,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2019-10-15 03:14:01,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1093. [2019-10-15 03:14:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1093 states. [2019-10-15 03:14:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1354 transitions. [2019-10-15 03:14:01,300 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1354 transitions. Word has length 192 [2019-10-15 03:14:01,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:01,301 INFO L462 AbstractCegarLoop]: Abstraction has 1093 states and 1354 transitions. [2019-10-15 03:14:01,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1354 transitions. [2019-10-15 03:14:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-15 03:14:01,306 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:01,307 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:01,307 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:01,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:01,307 INFO L82 PathProgramCache]: Analyzing trace with hash -469325502, now seen corresponding path program 1 times [2019-10-15 03:14:01,307 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:01,308 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231125535] [2019-10-15 03:14:01,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:01,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:01,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:14:01,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231125535] [2019-10-15 03:14:01,504 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:01,504 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:01,505 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159044266] [2019-10-15 03:14:01,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:01,506 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:01,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:01,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:01,507 INFO L87 Difference]: Start difference. First operand 1093 states and 1354 transitions. Second operand 3 states. [2019-10-15 03:14:01,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:01,670 INFO L93 Difference]: Finished difference Result 1096 states and 1356 transitions. [2019-10-15 03:14:01,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:01,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-15 03:14:01,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:01,675 INFO L225 Difference]: With dead ends: 1096 [2019-10-15 03:14:01,675 INFO L226 Difference]: Without dead ends: 582 [2019-10-15 03:14:01,678 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 03:14:01,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-10-15 03:14:01,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-10-15 03:14:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-10-15 03:14:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 705 transitions. [2019-10-15 03:14:01,718 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 705 transitions. Word has length 193 [2019-10-15 03:14:01,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:01,719 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 705 transitions. [2019-10-15 03:14:01,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:01,719 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 705 transitions. [2019-10-15 03:14:01,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-15 03:14:01,725 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:01,726 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:01,726 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:01,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:01,726 INFO L82 PathProgramCache]: Analyzing trace with hash 740205475, now seen corresponding path program 1 times [2019-10-15 03:14:01,727 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:01,727 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704548685] [2019-10-15 03:14:01,728 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:01,728 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:01,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:14:02,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704548685] [2019-10-15 03:14:02,036 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:02,037 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:14:02,037 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069482547] [2019-10-15 03:14:02,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:14:02,038 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:02,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:14:02,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:14:02,039 INFO L87 Difference]: Start difference. First operand 582 states and 705 transitions. Second operand 4 states. [2019-10-15 03:14:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:02,716 INFO L93 Difference]: Finished difference Result 1107 states and 1340 transitions. [2019-10-15 03:14:02,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:14:02,716 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 205 [2019-10-15 03:14:02,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:02,720 INFO L225 Difference]: With dead ends: 1107 [2019-10-15 03:14:02,720 INFO L226 Difference]: Without dead ends: 587 [2019-10-15 03:14:02,723 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:14:02,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-10-15 03:14:02,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 581. [2019-10-15 03:14:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-10-15 03:14:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 689 transitions. [2019-10-15 03:14:02,758 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 689 transitions. Word has length 205 [2019-10-15 03:14:02,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:02,759 INFO L462 AbstractCegarLoop]: Abstraction has 581 states and 689 transitions. [2019-10-15 03:14:02,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:14:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 689 transitions. [2019-10-15 03:14:02,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-15 03:14:02,766 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:02,766 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:02,767 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:02,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:02,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1902396525, now seen corresponding path program 1 times [2019-10-15 03:14:02,768 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:02,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206537181] [2019-10-15 03:14:02,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:02,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:02,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:14:03,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206537181] [2019-10-15 03:14:03,027 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:03,027 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:03,027 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706694599] [2019-10-15 03:14:03,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:03,028 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:03,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:03,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:03,029 INFO L87 Difference]: Start difference. First operand 581 states and 689 transitions. Second operand 3 states. [2019-10-15 03:14:03,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:03,100 INFO L93 Difference]: Finished difference Result 913 states and 1078 transitions. [2019-10-15 03:14:03,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:03,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2019-10-15 03:14:03,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:03,112 INFO L225 Difference]: With dead ends: 913 [2019-10-15 03:14:03,112 INFO L226 Difference]: Without dead ends: 583 [2019-10-15 03:14:03,114 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 03:14:03,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-15 03:14:03,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2019-10-15 03:14:03,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2019-10-15 03:14:03,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 691 transitions. [2019-10-15 03:14:03,175 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 691 transitions. Word has length 226 [2019-10-15 03:14:03,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:03,181 INFO L462 AbstractCegarLoop]: Abstraction has 583 states and 691 transitions. [2019-10-15 03:14:03,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 691 transitions. [2019-10-15 03:14:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-15 03:14:03,189 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:03,189 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:03,190 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:03,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:03,190 INFO L82 PathProgramCache]: Analyzing trace with hash -97797234, now seen corresponding path program 1 times [2019-10-15 03:14:03,191 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:03,191 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592509551] [2019-10-15 03:14:03,191 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:03,192 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:03,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:14:03,530 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592509551] [2019-10-15 03:14:03,531 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:03,531 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:03,531 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409625088] [2019-10-15 03:14:03,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:03,532 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:03,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:03,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:03,533 INFO L87 Difference]: Start difference. First operand 583 states and 691 transitions. Second operand 3 states. [2019-10-15 03:14:03,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:03,596 INFO L93 Difference]: Finished difference Result 1110 states and 1349 transitions. [2019-10-15 03:14:03,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:03,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2019-10-15 03:14:03,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:03,602 INFO L225 Difference]: With dead ends: 1110 [2019-10-15 03:14:03,602 INFO L226 Difference]: Without dead ends: 637 [2019-10-15 03:14:03,608 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 03:14:03,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-10-15 03:14:03,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2019-10-15 03:14:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-10-15 03:14:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 778 transitions. [2019-10-15 03:14:03,664 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 778 transitions. Word has length 233 [2019-10-15 03:14:03,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:03,666 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 778 transitions. [2019-10-15 03:14:03,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 778 transitions. [2019-10-15 03:14:03,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-10-15 03:14:03,675 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:03,675 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:03,676 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:03,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:03,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1484283318, now seen corresponding path program 1 times [2019-10-15 03:14:03,677 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:03,678 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986664091] [2019-10-15 03:14:03,678 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:03,678 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:03,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:14:04,047 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986664091] [2019-10-15 03:14:04,047 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:04,047 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:14:04,047 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842331641] [2019-10-15 03:14:04,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:14:04,049 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:04,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:14:04,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:14:04,050 INFO L87 Difference]: Start difference. First operand 636 states and 778 transitions. Second operand 9 states. [2019-10-15 03:14:04,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:04,410 INFO L93 Difference]: Finished difference Result 974 states and 1198 transitions. [2019-10-15 03:14:04,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:14:04,411 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 234 [2019-10-15 03:14:04,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:04,415 INFO L225 Difference]: With dead ends: 974 [2019-10-15 03:14:04,415 INFO L226 Difference]: Without dead ends: 656 [2019-10-15 03:14:04,416 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-10-15 03:14:04,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2019-10-15 03:14:04,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 640. [2019-10-15 03:14:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2019-10-15 03:14:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 783 transitions. [2019-10-15 03:14:04,449 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 783 transitions. Word has length 234 [2019-10-15 03:14:04,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:04,450 INFO L462 AbstractCegarLoop]: Abstraction has 640 states and 783 transitions. [2019-10-15 03:14:04,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:14:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 783 transitions. [2019-10-15 03:14:04,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-15 03:14:04,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:04,457 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:04,457 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:04,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:04,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1121745602, now seen corresponding path program 1 times [2019-10-15 03:14:04,458 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:04,458 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270852644] [2019-10-15 03:14:04,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:04,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:04,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:14:05,848 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270852644] [2019-10-15 03:14:05,849 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:05,849 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2019-10-15 03:14:05,849 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453899641] [2019-10-15 03:14:05,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-10-15 03:14:05,850 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:05,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-10-15 03:14:05,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1377, Unknown=0, NotChecked=0, Total=1482 [2019-10-15 03:14:05,851 INFO L87 Difference]: Start difference. First operand 640 states and 783 transitions. Second operand 39 states. [2019-10-15 03:14:29,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:29,700 INFO L93 Difference]: Finished difference Result 1395 states and 1716 transitions. [2019-10-15 03:14:29,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2019-10-15 03:14:29,701 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 239 [2019-10-15 03:14:29,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:29,708 INFO L225 Difference]: With dead ends: 1395 [2019-10-15 03:14:29,708 INFO L226 Difference]: Without dead ends: 1059 [2019-10-15 03:14:29,712 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=375, Invalid=5631, Unknown=0, NotChecked=0, Total=6006 [2019-10-15 03:14:29,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2019-10-15 03:14:29,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1050. [2019-10-15 03:14:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2019-10-15 03:14:29,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1289 transitions. [2019-10-15 03:14:29,779 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1289 transitions. Word has length 239 [2019-10-15 03:14:29,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:29,780 INFO L462 AbstractCegarLoop]: Abstraction has 1050 states and 1289 transitions. [2019-10-15 03:14:29,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-10-15 03:14:29,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1289 transitions. [2019-10-15 03:14:29,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-10-15 03:14:29,786 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:29,786 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:29,787 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:29,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:29,787 INFO L82 PathProgramCache]: Analyzing trace with hash -265602705, now seen corresponding path program 1 times [2019-10-15 03:14:29,787 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:29,788 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653541494] [2019-10-15 03:14:29,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:29,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:29,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat