java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:10:36,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:10:36,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:10:36,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:10:36,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:10:36,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:10:36,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:10:36,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:10:36,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:10:36,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:10:36,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:10:36,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:10:36,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:10:36,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:10:36,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:10:36,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:10:36,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:10:36,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:10:36,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:10:36,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:10:36,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:10:36,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:10:36,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:10:36,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:10:36,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:10:36,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:10:36,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:10:36,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:10:36,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:10:36,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:10:36,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:10:36,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:10:36,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:10:36,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:10:36,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:10:36,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:10:36,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:10:36,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:10:36,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:10:36,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:10:36,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:10:36,661 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 23:10:36,675 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:10:36,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:10:36,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:10:36,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:10:36,677 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:10:36,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:10:36,677 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:10:36,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:10:36,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:10:36,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:10:36,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:10:36,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:10:36,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:10:36,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:10:36,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:10:36,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:10:36,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:10:36,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:10:36,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:10:36,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:10:36,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:10:36,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:10:36,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:10:36,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:10:36,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:10:36,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:10:36,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:10:36,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:10:36,681 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 23:10:37,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:10:37,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:10:37,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:10:37,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:10:37,039 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:10:37,039 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product35.cil.c [2019-10-13 23:10:37,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11288bbde/4cd1c98dad2d484fae3e5f669ba07403/FLAG58dd091b6 [2019-10-13 23:10:37,725 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:10:37,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product35.cil.c [2019-10-13 23:10:37,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11288bbde/4cd1c98dad2d484fae3e5f669ba07403/FLAG58dd091b6 [2019-10-13 23:10:37,919 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11288bbde/4cd1c98dad2d484fae3e5f669ba07403 [2019-10-13 23:10:37,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:10:37,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:10:37,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:10:37,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:10:37,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:10:37,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:10:37" (1/1) ... [2019-10-13 23:10:37,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c3b94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:37, skipping insertion in model container [2019-10-13 23:10:37,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:10:37" (1/1) ... [2019-10-13 23:10:37,951 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:10:38,032 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:10:38,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:10:38,866 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:10:39,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:10:39,105 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:10:39,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:39 WrapperNode [2019-10-13 23:10:39,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:10:39,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:10:39,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:10:39,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:10:39,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:39" (1/1) ... [2019-10-13 23:10:39,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:39" (1/1) ... [2019-10-13 23:10:39,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:39" (1/1) ... [2019-10-13 23:10:39,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:39" (1/1) ... [2019-10-13 23:10:39,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:39" (1/1) ... [2019-10-13 23:10:39,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:39" (1/1) ... [2019-10-13 23:10:39,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:39" (1/1) ... [2019-10-13 23:10:39,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:10:39,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:10:39,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:10:39,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:10:39,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:39" (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 23:10:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:10:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:10:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:10:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:10:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:10:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:10:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:10:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:10:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:10:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:10:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:10:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:10:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:10:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:10:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:10:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:10:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:10:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:10:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:10:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:10:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:10:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:10:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:10:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:10:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:10:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:10:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:10:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:10:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:10:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:10:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:10:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:10:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:10:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:10:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:10:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:10:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:10:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:10:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:10:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:10:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:10:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:10:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:10:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:10:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:10:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:10:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:10:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:10:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:10:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:10:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:10:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:10:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:10:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:10:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:10:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:10:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:10:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:10:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:10:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:10:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-13 23:10:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 23:10:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:10:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:10:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:10:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:10:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:10:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:10:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:10:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:10:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:10:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:10:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:10:39,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:10:39,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:10:39,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:10:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:10:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:10:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:10:39,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:10:39,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:10:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:10:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:10:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:10:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:10:39,432 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:10:39,432 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:10:39,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:10:39,433 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:10:39,433 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:10:39,433 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:10:39,434 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:10:39,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:10:39,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:10:39,434 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:10:39,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:10:39,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:10:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:10:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:10:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-13 23:10:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:10:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:10:39,436 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:10:39,436 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:10:39,436 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:10:39,436 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:10:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:10:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:10:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:10:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:10:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:10:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:10:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:10:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:10:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:10:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:10:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:10:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:10:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:10:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:10:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-13 23:10:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:10:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:10:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:10:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:10:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:10:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:10:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:10:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:10:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:10:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:10:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:10:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:10:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:10:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:10:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:10:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:10:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:10:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:10:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:10:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:10:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:10:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:10:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:10:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:10:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:10:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:10:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:10:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:10:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:10:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:10:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:10:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:10:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:10:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:10:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:10:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:10:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:10:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:10:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:10:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:10:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:10:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:10:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:10:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:10:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:10:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:10:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:10:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:10:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:10:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:10:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:10:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:10:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:10:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:10:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:10:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:10:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:10:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:10:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:10:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:10:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:10:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:10:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:10:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:10:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:10:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-13 23:10:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 23:10:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:10:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:10:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:10:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:10:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:10:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:10:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:10:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:10:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:10:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:10:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:10:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:10:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:10:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:10:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:10:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:10:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:10:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:10:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:10:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:10:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:10:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:10:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:10:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:10:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:10:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:10:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:10:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:10:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:10:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:10:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:10:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:10:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:10:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:10:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:10:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:10:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:10:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:10:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:10:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:10:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:10:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:10:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:10:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:10:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:10:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:10:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:10:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:10:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:10:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:10:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:10:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:10:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:10:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:10:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:10:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:10:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:10:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:10:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-13 23:10:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:10:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:10:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-13 23:10:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:10:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:10:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:10:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:10:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:10:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:10:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:10:44,294 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:10:44,295 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:10:44,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:10:44 BoogieIcfgContainer [2019-10-13 23:10:44,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:10:44,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:10:44,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:10:44,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:10:44,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:10:37" (1/3) ... [2019-10-13 23:10:44,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e264ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:10:44, skipping insertion in model container [2019-10-13 23:10:44,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:39" (2/3) ... [2019-10-13 23:10:44,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e264ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:10:44, skipping insertion in model container [2019-10-13 23:10:44,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:10:44" (3/3) ... [2019-10-13 23:10:44,306 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product35.cil.c [2019-10-13 23:10:44,316 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:10:44,326 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:10:44,339 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:10:44,373 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:10:44,373 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:10:44,373 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:10:44,373 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:10:44,374 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:10:44,374 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:10:44,374 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:10:44,374 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:10:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2019-10-13 23:10:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 23:10:44,424 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:44,425 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:44,428 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:44,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:44,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1302559381, now seen corresponding path program 1 times [2019-10-13 23:10:44,444 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:44,444 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513321985] [2019-10-13 23:10:44,445 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:44,445 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:44,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:10:45,126 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513321985] [2019-10-13 23:10:45,127 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:45,127 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:10:45,127 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295423933] [2019-10-13 23:10:45,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:10:45,133 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:45,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:10:45,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:10:45,150 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 2 states. [2019-10-13 23:10:45,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:45,236 INFO L93 Difference]: Finished difference Result 733 states and 875 transitions. [2019-10-13 23:10:45,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:10:45,237 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-10-13 23:10:45,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:45,269 INFO L225 Difference]: With dead ends: 733 [2019-10-13 23:10:45,270 INFO L226 Difference]: Without dead ends: 452 [2019-10-13 23:10:45,284 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:10:45,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-10-13 23:10:45,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2019-10-13 23:10:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-10-13 23:10:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 535 transitions. [2019-10-13 23:10:45,408 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 535 transitions. Word has length 136 [2019-10-13 23:10:45,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:45,411 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 535 transitions. [2019-10-13 23:10:45,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:10:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 535 transitions. [2019-10-13 23:10:45,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-13 23:10:45,416 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:45,417 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:45,417 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:45,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:45,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1667097681, now seen corresponding path program 1 times [2019-10-13 23:10:45,418 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:45,418 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648725192] [2019-10-13 23:10:45,418 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:45,418 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:45,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:45,638 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:10:45,638 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648725192] [2019-10-13 23:10:45,639 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:45,639 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:45,639 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622946443] [2019-10-13 23:10:45,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:45,644 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:45,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:45,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:45,645 INFO L87 Difference]: Start difference. First operand 452 states and 535 transitions. Second operand 3 states. [2019-10-13 23:10:45,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:45,733 INFO L93 Difference]: Finished difference Result 718 states and 843 transitions. [2019-10-13 23:10:45,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:45,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-13 23:10:45,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:45,746 INFO L225 Difference]: With dead ends: 718 [2019-10-13 23:10:45,747 INFO L226 Difference]: Without dead ends: 454 [2019-10-13 23:10:45,751 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 23:10:45,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-13 23:10:45,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-13 23:10:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-13 23:10:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 537 transitions. [2019-10-13 23:10:45,792 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 537 transitions. Word has length 137 [2019-10-13 23:10:45,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:45,792 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 537 transitions. [2019-10-13 23:10:45,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:45,792 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 537 transitions. [2019-10-13 23:10:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-13 23:10:45,800 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:45,800 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:45,801 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:45,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:45,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1122759557, now seen corresponding path program 1 times [2019-10-13 23:10:45,802 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:45,802 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476766573] [2019-10-13 23:10:45,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:45,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:45,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:10:46,097 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476766573] [2019-10-13 23:10:46,097 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:46,097 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:46,098 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316705689] [2019-10-13 23:10:46,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:46,099 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:46,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:46,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:46,100 INFO L87 Difference]: Start difference. First operand 454 states and 537 transitions. Second operand 3 states. [2019-10-13 23:10:46,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:46,137 INFO L93 Difference]: Finished difference Result 894 states and 1087 transitions. [2019-10-13 23:10:46,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:46,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-13 23:10:46,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:46,141 INFO L225 Difference]: With dead ends: 894 [2019-10-13 23:10:46,142 INFO L226 Difference]: Without dead ends: 498 [2019-10-13 23:10:46,144 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 23:10:46,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2019-10-13 23:10:46,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 497. [2019-10-13 23:10:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2019-10-13 23:10:46,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 611 transitions. [2019-10-13 23:10:46,175 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 611 transitions. Word has length 149 [2019-10-13 23:10:46,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:46,176 INFO L462 AbstractCegarLoop]: Abstraction has 497 states and 611 transitions. [2019-10-13 23:10:46,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 611 transitions. [2019-10-13 23:10:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-13 23:10:46,188 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:46,189 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:46,189 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:46,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:46,189 INFO L82 PathProgramCache]: Analyzing trace with hash 318135744, now seen corresponding path program 1 times [2019-10-13 23:10:46,190 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:46,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857331301] [2019-10-13 23:10:46,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:46,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:46,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:10:46,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857331301] [2019-10-13 23:10:46,809 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:46,809 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-10-13 23:10:46,809 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542337666] [2019-10-13 23:10:46,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-13 23:10:46,810 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:46,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-13 23:10:46,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2019-10-13 23:10:46,811 INFO L87 Difference]: Start difference. First operand 497 states and 611 transitions. Second operand 23 states. [2019-10-13 23:10:58,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:58,263 INFO L93 Difference]: Finished difference Result 1062 states and 1285 transitions. [2019-10-13 23:10:58,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-13 23:10:58,266 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 150 [2019-10-13 23:10:58,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:58,272 INFO L225 Difference]: With dead ends: 1062 [2019-10-13 23:10:58,272 INFO L226 Difference]: Without dead ends: 804 [2019-10-13 23:10:58,274 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=215, Invalid=1855, Unknown=0, NotChecked=0, Total=2070 [2019-10-13 23:10:58,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2019-10-13 23:10:58,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 795. [2019-10-13 23:10:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2019-10-13 23:10:58,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 970 transitions. [2019-10-13 23:10:58,316 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 970 transitions. Word has length 150 [2019-10-13 23:10:58,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:58,317 INFO L462 AbstractCegarLoop]: Abstraction has 795 states and 970 transitions. [2019-10-13 23:10:58,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-13 23:10:58,317 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 970 transitions. [2019-10-13 23:10:58,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-13 23:10:58,320 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:58,321 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:58,321 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:58,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:58,321 INFO L82 PathProgramCache]: Analyzing trace with hash -354099770, now seen corresponding path program 1 times [2019-10-13 23:10:58,322 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:58,322 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509871472] [2019-10-13 23:10:58,322 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:58,322 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:58,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:10:59,156 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509871472] [2019-10-13 23:10:59,156 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:59,156 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-13 23:10:59,157 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578423701] [2019-10-13 23:10:59,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-13 23:10:59,158 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:59,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-13 23:10:59,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2019-10-13 23:10:59,159 INFO L87 Difference]: Start difference. First operand 795 states and 970 transitions. Second operand 25 states. [2019-10-13 23:11:01,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:11:01,474 INFO L93 Difference]: Finished difference Result 902 states and 1095 transitions. [2019-10-13 23:11:01,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-13 23:11:01,477 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 156 [2019-10-13 23:11:01,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:11:01,484 INFO L225 Difference]: With dead ends: 902 [2019-10-13 23:11:01,484 INFO L226 Difference]: Without dead ends: 895 [2019-10-13 23:11:01,486 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=233, Invalid=2317, Unknown=0, NotChecked=0, Total=2550 [2019-10-13 23:11:01,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2019-10-13 23:11:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 888. [2019-10-13 23:11:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2019-10-13 23:11:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1080 transitions. [2019-10-13 23:11:01,545 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1080 transitions. Word has length 156 [2019-10-13 23:11:01,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:11:01,546 INFO L462 AbstractCegarLoop]: Abstraction has 888 states and 1080 transitions. [2019-10-13 23:11:01,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-13 23:11:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1080 transitions. [2019-10-13 23:11:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-10-13 23:11:01,552 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:11:01,553 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:11:01,554 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:11:01,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:11:01,554 INFO L82 PathProgramCache]: Analyzing trace with hash -944503550, now seen corresponding path program 1 times [2019-10-13 23:11:01,554 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:11:01,555 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413643946] [2019-10-13 23:11:01,555 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:01,555 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:01,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:11:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:11:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-10-13 23:11:02,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413643946] [2019-10-13 23:11:02,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:11:02,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:11:02,068 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138244234] [2019-10-13 23:11:02,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:11:02,069 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:11:02,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:11:02,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:11:02,069 INFO L87 Difference]: Start difference. First operand 888 states and 1080 transitions. Second operand 7 states. [2019-10-13 23:11:04,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:11:04,655 INFO L93 Difference]: Finished difference Result 1858 states and 2215 transitions. [2019-10-13 23:11:04,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:11:04,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 282 [2019-10-13 23:11:04,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:11:04,668 INFO L225 Difference]: With dead ends: 1858 [2019-10-13 23:11:04,668 INFO L226 Difference]: Without dead ends: 1361 [2019-10-13 23:11:04,671 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:11:04,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2019-10-13 23:11:04,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1329. [2019-10-13 23:11:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2019-10-13 23:11:04,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1594 transitions. [2019-10-13 23:11:04,765 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1594 transitions. Word has length 282 [2019-10-13 23:11:04,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:11:04,766 INFO L462 AbstractCegarLoop]: Abstraction has 1329 states and 1594 transitions. [2019-10-13 23:11:04,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:11:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1594 transitions. [2019-10-13 23:11:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-13 23:11:04,774 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:11:04,775 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:11:04,775 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:11:04,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:11:04,776 INFO L82 PathProgramCache]: Analyzing trace with hash -166759129, now seen corresponding path program 1 times [2019-10-13 23:11:04,776 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:11:04,776 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768520899] [2019-10-13 23:11:04,776 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:04,777 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:04,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:11:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:11:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-13 23:11:05,672 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768520899] [2019-10-13 23:11:05,672 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:11:05,672 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-13 23:11:05,672 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033800137] [2019-10-13 23:11:05,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-13 23:11:05,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:11:05,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-13 23:11:05,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2019-10-13 23:11:05,676 INFO L87 Difference]: Start difference. First operand 1329 states and 1594 transitions. Second operand 30 states.