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_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:08:21,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:08:21,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:08:21,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:08:21,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:08:21,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:08:21,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:08:21,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:08:21,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:08:21,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:08:21,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:08:21,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:08:21,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:08:21,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:08:21,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:08:21,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:08:21,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:08:21,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:08:21,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:08:21,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:08:21,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:08:21,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:08:21,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:08:21,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:08:21,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:08:21,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:08:21,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:08:21,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:08:21,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:08:21,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:08:21,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:08:21,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:08:21,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:08:21,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:08:21,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:08:21,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:08:21,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:08:21,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:08:21,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:08:21,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:08:21,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:08:21,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:08:21,447 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:08:21,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:08:21,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:08:21,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:08:21,449 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:08:21,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:08:21,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:08:21,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:08:21,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:08:21,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:08:21,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:08:21,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:08:21,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:08:21,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:08:21,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:08:21,451 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:08:21,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:08:21,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:08:21,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:08:21,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:08:21,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:08:21,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:08:21,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:08:21,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:08:21,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:08:21,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:08:21,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:08:21,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:08:21,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:08:21,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:08:21,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:08:21,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:08:21,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:08:21,832 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:08:21,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_productSimulator.cil.c [2019-10-13 23:08:21,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe525b6f/129eaa5eee2b49208b8c14da36c9a993/FLAG889d6a8b1 [2019-10-13 23:08:22,553 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:08:22,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_productSimulator.cil.c [2019-10-13 23:08:22,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe525b6f/129eaa5eee2b49208b8c14da36c9a993/FLAG889d6a8b1 [2019-10-13 23:08:22,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe525b6f/129eaa5eee2b49208b8c14da36c9a993 [2019-10-13 23:08:22,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:08:22,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:08:22,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:08:22,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:08:22,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:08:22,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:08:22" (1/1) ... [2019-10-13 23:08:22,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614b2340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22, skipping insertion in model container [2019-10-13 23:08:22,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:08:22" (1/1) ... [2019-10-13 23:08:22,745 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:08:22,835 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:08:23,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:08:23,706 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:08:23,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:08:24,090 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:08:24,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:24 WrapperNode [2019-10-13 23:08:24,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:08:24,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:08:24,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:08:24,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:08:24,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:24" (1/1) ... [2019-10-13 23:08:24,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:24" (1/1) ... [2019-10-13 23:08:24,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:24" (1/1) ... [2019-10-13 23:08:24,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:24" (1/1) ... [2019-10-13 23:08:24,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:24" (1/1) ... [2019-10-13 23:08:24,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:24" (1/1) ... [2019-10-13 23:08:24,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:24" (1/1) ... [2019-10-13 23:08:24,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:08:24,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:08:24,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:08:24,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:08:24,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:08:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:08:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:08:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:08:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:08:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:08:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-13 23:08:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-13 23:08:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-13 23:08:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-13 23:08:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-13 23:08:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-13 23:08:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:08:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-13 23:08:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-13 23:08:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:08:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:08:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:08:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:08:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-13 23:08:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-13 23:08:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-13 23:08:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-13 23:08:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-13 23:08:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-13 23:08:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:08:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:08:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-13 23:08:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-13 23:08:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-13 23:08:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-13 23:08:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-13 23:08:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-13 23:08:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-13 23:08:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-13 23:08:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:08:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:08:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:08:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:08:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:08:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:08:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:08:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:08:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:08:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:08:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:08:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:08:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:08:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:08:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:08:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:08:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:08:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:08:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:08:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:08:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:08:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:08:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:08:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:08:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:08:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:08:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:08:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:08:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:08:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:08:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:08:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:08:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:08:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:08:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:08:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-13 23:08:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-13 23:08:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:08:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-13 23:08:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-13 23:08:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:08:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-13 23:08:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-13 23:08:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:08:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:08:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:08:24,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:08:24,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:08:24,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:08:24,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:08:24,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:08:24,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:08:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:08:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:08:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:08:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:08:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:08:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:08:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:08:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:08:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:08:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:08:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:08:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:08:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:08:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:08:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:08:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:08:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:08:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:08:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:08:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:08:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:08:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:08:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:08:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:08:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:08:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:08:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:08:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:08:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:08:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:08:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:08:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:08:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:08:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:08:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:08:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:08:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:08:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:08:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:08:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:08:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:08:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:08:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:08:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:08:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:08:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:08:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:08:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:08:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:08:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:08:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:08:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:08:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:08:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:08:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:08:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:08:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:08:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:08:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:08:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:08:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:08:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:08:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:08:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:08:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:08:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:08:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:08:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:08:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:08:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:08:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:08:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:08:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:08:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:08:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:08:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:08:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:08:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:08:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:08:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:08:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:08:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:08:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-13 23:08:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-13 23:08:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-13 23:08:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-13 23:08:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-13 23:08:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-13 23:08:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-13 23:08:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-13 23:08:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:08:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:08:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:08:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:08:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:08:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:08:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:08:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:08:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:08:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:08:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:08:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:08:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:08:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:08:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:08:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:08:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:08:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:08:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:08:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:08:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:08:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:08:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:08:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:08:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:08:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:08:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:08:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:08:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:08:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:08:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:08:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-13 23:08:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-13 23:08:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-13 23:08:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-13 23:08:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-13 23:08:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-13 23:08:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-13 23:08:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-13 23:08:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-13 23:08:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-13 23:08:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-13 23:08:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-13 23:08:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-13 23:08:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-13 23:08:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:08:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:08:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:08:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:08:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:08:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:08:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:08:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:08:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:08:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:08:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:08:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:08:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:08:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:08:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:08:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:08:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:08:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:08:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:08:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:08:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:08:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:08:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:08:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:08:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:08:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:08:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:08:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:08:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-13 23:08:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-13 23:08:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-13 23:08:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-13 23:08:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-13 23:08:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-13 23:08:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:08:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:08:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:08:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:08:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:08:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:08:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:08:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:08:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:08:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:08:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:08:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:08:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:08:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:08:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:08:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:08:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:08:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:08:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:08:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:08:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:08:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:08:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:08:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:08:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:08:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:08:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:08:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:08:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:08:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:08:29,248 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:08:29,248 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:08:29,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:08:29 BoogieIcfgContainer [2019-10-13 23:08:29,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:08:29,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:08:29,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:08:29,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:08:29,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:08:22" (1/3) ... [2019-10-13 23:08:29,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcda67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:08:29, skipping insertion in model container [2019-10-13 23:08:29,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:24" (2/3) ... [2019-10-13 23:08:29,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcda67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:08:29, skipping insertion in model container [2019-10-13 23:08:29,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:08:29" (3/3) ... [2019-10-13 23:08:29,258 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_productSimulator.cil.c [2019-10-13 23:08:29,267 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:08:29,276 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:08:29,287 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:08:29,317 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:08:29,317 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:08:29,317 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:08:29,318 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:08:29,318 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:08:29,318 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:08:29,318 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:08:29,318 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:08:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states. [2019-10-13 23:08:29,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-13 23:08:29,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:29,372 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] [2019-10-13 23:08:29,374 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:29,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:29,380 INFO L82 PathProgramCache]: Analyzing trace with hash -718751133, now seen corresponding path program 1 times [2019-10-13 23:08:29,389 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:29,390 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853289539] [2019-10-13 23:08:29,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:29,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:29,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:30,145 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:08:30,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853289539] [2019-10-13 23:08:30,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:30,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:08:30,148 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623063891] [2019-10-13 23:08:30,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:08:30,155 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:30,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:08:30,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:08:30,173 INFO L87 Difference]: Start difference. First operand 607 states. Second operand 6 states. [2019-10-13 23:08:30,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:30,409 INFO L93 Difference]: Finished difference Result 1136 states and 1426 transitions. [2019-10-13 23:08:30,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:08:30,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2019-10-13 23:08:30,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:30,446 INFO L225 Difference]: With dead ends: 1136 [2019-10-13 23:08:30,447 INFO L226 Difference]: Without dead ends: 580 [2019-10-13 23:08:30,456 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 [2019-10-13 23:08:30,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-10-13 23:08:30,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2019-10-13 23:08:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2019-10-13 23:08:30,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 715 transitions. [2019-10-13 23:08:30,560 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 715 transitions. Word has length 140 [2019-10-13 23:08:30,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:30,627 INFO L462 AbstractCegarLoop]: Abstraction has 580 states and 715 transitions. [2019-10-13 23:08:30,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:08:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 715 transitions. [2019-10-13 23:08:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-13 23:08:30,639 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:30,639 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] [2019-10-13 23:08:30,640 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:30,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:30,641 INFO L82 PathProgramCache]: Analyzing trace with hash 327449714, now seen corresponding path program 1 times [2019-10-13 23:08:30,641 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:30,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415955531] [2019-10-13 23:08:30,642 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:30,642 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:30,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:08:30,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415955531] [2019-10-13 23:08:30,839 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:30,840 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:08:30,840 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828078939] [2019-10-13 23:08:30,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:08:30,842 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:30,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:08:30,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:08:30,843 INFO L87 Difference]: Start difference. First operand 580 states and 715 transitions. Second operand 4 states. [2019-10-13 23:08:31,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:31,669 INFO L93 Difference]: Finished difference Result 1126 states and 1418 transitions. [2019-10-13 23:08:31,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:08:31,670 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-10-13 23:08:31,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:31,676 INFO L225 Difference]: With dead ends: 1126 [2019-10-13 23:08:31,676 INFO L226 Difference]: Without dead ends: 578 [2019-10-13 23:08:31,679 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 [2019-10-13 23:08:31,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2019-10-13 23:08:31,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2019-10-13 23:08:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2019-10-13 23:08:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 704 transitions. [2019-10-13 23:08:31,758 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 704 transitions. Word has length 146 [2019-10-13 23:08:31,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:31,761 INFO L462 AbstractCegarLoop]: Abstraction has 578 states and 704 transitions. [2019-10-13 23:08:31,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:08:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 704 transitions. [2019-10-13 23:08:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-13 23:08:31,767 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:31,768 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] [2019-10-13 23:08:31,768 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:31,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:31,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1885797071, now seen corresponding path program 1 times [2019-10-13 23:08:31,769 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:31,769 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340066468] [2019-10-13 23:08:31,769 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:31,770 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:31,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:32,044 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:08:32,045 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340066468] [2019-10-13 23:08:32,045 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:32,045 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:08:32,046 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614784202] [2019-10-13 23:08:32,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:08:32,047 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:32,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:08:32,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:32,048 INFO L87 Difference]: Start difference. First operand 578 states and 704 transitions. Second operand 3 states. [2019-10-13 23:08:32,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:32,210 INFO L93 Difference]: Finished difference Result 1119 states and 1377 transitions. [2019-10-13 23:08:32,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:08:32,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-13 23:08:32,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:32,219 INFO L225 Difference]: With dead ends: 1119 [2019-10-13 23:08:32,220 INFO L226 Difference]: Without dead ends: 577 [2019-10-13 23:08:32,224 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:32,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-13 23:08:32,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-13 23:08:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-13 23:08:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 700 transitions. [2019-10-13 23:08:32,291 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 700 transitions. Word has length 159 [2019-10-13 23:08:32,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:32,293 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 700 transitions. [2019-10-13 23:08:32,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:08:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 700 transitions. [2019-10-13 23:08:32,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-13 23:08:32,304 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:32,305 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] [2019-10-13 23:08:32,305 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:32,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:32,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1197063153, now seen corresponding path program 1 times [2019-10-13 23:08:32,306 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:32,306 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241021969] [2019-10-13 23:08:32,306 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:32,307 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:32,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:08:32,575 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241021969] [2019-10-13 23:08:32,576 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:32,576 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:08:32,576 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490681499] [2019-10-13 23:08:32,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:08:32,578 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:32,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:08:32,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:08:32,579 INFO L87 Difference]: Start difference. First operand 577 states and 700 transitions. Second operand 4 states. [2019-10-13 23:08:33,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:33,389 INFO L93 Difference]: Finished difference Result 1091 states and 1324 transitions. [2019-10-13 23:08:33,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:08:33,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2019-10-13 23:08:33,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:33,393 INFO L225 Difference]: With dead ends: 1091 [2019-10-13 23:08:33,393 INFO L226 Difference]: Without dead ends: 574 [2019-10-13 23:08:33,396 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 [2019-10-13 23:08:33,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2019-10-13 23:08:33,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2019-10-13 23:08:33,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2019-10-13 23:08:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 683 transitions. [2019-10-13 23:08:33,429 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 683 transitions. Word has length 160 [2019-10-13 23:08:33,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:33,431 INFO L462 AbstractCegarLoop]: Abstraction has 574 states and 683 transitions. [2019-10-13 23:08:33,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:08:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 683 transitions. [2019-10-13 23:08:33,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-13 23:08:33,436 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:33,436 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] [2019-10-13 23:08:33,436 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:33,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:33,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1730438915, now seen corresponding path program 1 times [2019-10-13 23:08:33,437 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:33,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695798281] [2019-10-13 23:08:33,438 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:33,438 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:33,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-13 23:08:33,664 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695798281] [2019-10-13 23:08:33,664 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:33,665 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:08:33,665 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497263175] [2019-10-13 23:08:33,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:08:33,667 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:33,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:08:33,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:33,668 INFO L87 Difference]: Start difference. First operand 574 states and 683 transitions. Second operand 3 states. [2019-10-13 23:08:33,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:33,714 INFO L93 Difference]: Finished difference Result 903 states and 1068 transitions. [2019-10-13 23:08:33,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:08:33,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-13 23:08:33,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:33,727 INFO L225 Difference]: With dead ends: 903 [2019-10-13 23:08:33,727 INFO L226 Difference]: Without dead ends: 576 [2019-10-13 23:08:33,729 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:33,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-13 23:08:33,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-13 23:08:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-13 23:08:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 685 transitions. [2019-10-13 23:08:33,768 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 685 transitions. Word has length 181 [2019-10-13 23:08:33,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:33,769 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 685 transitions. [2019-10-13 23:08:33,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:08:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 685 transitions. [2019-10-13 23:08:33,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-13 23:08:33,774 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:33,774 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] [2019-10-13 23:08:33,774 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:33,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:33,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1032257824, now seen corresponding path program 1 times [2019-10-13 23:08:33,775 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:33,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185845170] [2019-10-13 23:08:33,775 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:33,776 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:33,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:33,978 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-13 23:08:33,978 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185845170] [2019-10-13 23:08:33,979 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:33,979 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:08:33,980 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040532258] [2019-10-13 23:08:33,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:08:33,980 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:33,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:08:33,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:33,981 INFO L87 Difference]: Start difference. First operand 576 states and 685 transitions. Second operand 3 states. [2019-10-13 23:08:34,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:34,032 INFO L93 Difference]: Finished difference Result 1100 states and 1339 transitions. [2019-10-13 23:08:34,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:08:34,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-13 23:08:34,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:34,038 INFO L225 Difference]: With dead ends: 1100 [2019-10-13 23:08:34,038 INFO L226 Difference]: Without dead ends: 630 [2019-10-13 23:08:34,041 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:34,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2019-10-13 23:08:34,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 629. [2019-10-13 23:08:34,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2019-10-13 23:08:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 772 transitions. [2019-10-13 23:08:34,078 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 772 transitions. Word has length 188 [2019-10-13 23:08:34,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:34,079 INFO L462 AbstractCegarLoop]: Abstraction has 629 states and 772 transitions. [2019-10-13 23:08:34,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:08:34,079 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 772 transitions. [2019-10-13 23:08:34,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-13 23:08:34,082 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:34,083 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] [2019-10-13 23:08:34,083 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:34,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:34,083 INFO L82 PathProgramCache]: Analyzing trace with hash 839378273, now seen corresponding path program 1 times [2019-10-13 23:08:34,084 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:34,084 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428125469] [2019-10-13 23:08:34,084 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:34,084 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:34,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-13 23:08:34,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428125469] [2019-10-13 23:08:34,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512031113] [2019-10-13 23:08:34,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:08:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:35,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 3225 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:08:35,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:08:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-13 23:08:35,212 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:08:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-13 23:08:35,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1045258297] [2019-10-13 23:08:35,646 INFO L162 IcfgInterpreter]: Started Sifa with 164 locations of interest [2019-10-13 23:08:35,646 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:08:35,653 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:08:35,662 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:08:35,662 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs