java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec27_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:09:09,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:09:09,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:09:09,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:09:09,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:09:09,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:09:09,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:09:09,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:09:09,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:09:09,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:09:09,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:09:09,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:09:09,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:09:09,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:09:09,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:09:09,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:09:09,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:09:09,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:09:09,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:09:09,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:09:09,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:09:09,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:09:09,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:09:09,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:09:09,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:09:09,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:09:09,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:09:09,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:09:09,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:09:09,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:09:09,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:09:09,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:09:09,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:09:09,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:09:09,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:09:09,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:09:09,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:09:09,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:09:09,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:09:09,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:09:09,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:09:09,158 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 23:09:09,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:09:09,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:09:09,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:09:09,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:09:09,174 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:09:09,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:09:09,174 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:09:09,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:09:09,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:09:09,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:09:09,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:09:09,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:09:09,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:09:09,176 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:09:09,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:09:09,176 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:09:09,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:09:09,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:09:09,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:09:09,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:09:09,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:09:09,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:09:09,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:09:09,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:09:09,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:09:09,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:09:09,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:09:09,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:09:09,179 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 23:09:09,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:09:09,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:09:09,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:09:09,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:09:09,482 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:09:09,483 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_productSimulator.cil.c [2019-10-13 23:09:09,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4118fdeb6/4947db6cb18540b684f71a44c235a5a5/FLAG8559295fb [2019-10-13 23:09:10,114 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:09:10,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_productSimulator.cil.c [2019-10-13 23:09:10,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4118fdeb6/4947db6cb18540b684f71a44c235a5a5/FLAG8559295fb [2019-10-13 23:09:10,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4118fdeb6/4947db6cb18540b684f71a44c235a5a5 [2019-10-13 23:09:10,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:09:10,389 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:09:10,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:09:10,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:09:10,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:09:10,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:09:10" (1/1) ... [2019-10-13 23:09:10,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57554ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:10, skipping insertion in model container [2019-10-13 23:09:10,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:09:10" (1/1) ... [2019-10-13 23:09:10,405 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:09:10,477 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:09:11,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:09:11,252 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:09:11,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:09:11,527 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:09:11,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:11 WrapperNode [2019-10-13 23:09:11,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:09:11,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:09:11,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:09:11,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:09:11,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:11" (1/1) ... [2019-10-13 23:09:11,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:11" (1/1) ... [2019-10-13 23:09:11,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:11" (1/1) ... [2019-10-13 23:09:11,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:11" (1/1) ... [2019-10-13 23:09:11,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:11" (1/1) ... [2019-10-13 23:09:11,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:11" (1/1) ... [2019-10-13 23:09:11,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:11" (1/1) ... [2019-10-13 23:09:11,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:09:11,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:09:11,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:09:11,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:09:11,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:11" (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 23:09:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:09:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:09:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:09:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:09:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:09:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:09:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:09:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:09:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:09:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:09:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:09:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:09:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:09:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:09:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:09:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:09:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:09:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:09:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:09:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:09:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:09:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:09:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:09:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:09:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:09:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:09:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:09:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:09:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:09:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:09:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:09:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:09:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:09:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:09:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:09:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:09:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:09:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:09:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:09:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:09:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:09:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:09:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:09:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:09:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:09:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-13 23:09:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:09:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:09:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:09:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:09:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:09:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:09:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:09:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:09:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:09:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:09:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:09:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:09:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:09:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:09:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:09:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:09:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:09:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:09:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:09:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:09:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:09:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:09:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-13 23:09:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-13 23:09:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-13 23:09:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-13 23:09:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-13 23:09:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-13 23:09:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:09:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:09:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-13 23:09:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-13 23:09:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-13 23:09:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-13 23:09:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-13 23:09:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-13 23:09:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-13 23:09:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-13 23:09:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:09:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:09:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:09:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:09:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:09:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:09:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:09:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:09:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:09:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:09:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:09:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:09:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:09:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:09:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-13 23:09:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-13 23:09:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:09:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-13 23:09:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-13 23:09:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:09:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-13 23:09:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-13 23:09:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:09:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:09:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:09:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:09:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:09:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:09:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:09:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:09:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:09:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:09:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:09:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:09:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:09:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:09:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:09:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:09:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:09:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-13 23:09:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-13 23:09:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-13 23:09:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-13 23:09:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-13 23:09:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-13 23:09:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:09:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-13 23:09:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-13 23:09:11,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:09:11,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:09:11,887 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:09:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:09:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:09:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:09:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:09:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:09:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:09:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:09:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:09:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:09:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:09:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:09:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:09:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:09:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:09:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:09:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:09:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:09:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:09:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:09:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:09:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:09:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:09:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:09:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:09:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:09:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:09:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:09:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:09:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:09:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:09:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-13 23:09:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:09:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:09:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-13 23:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-13 23:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-13 23:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-13 23:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-13 23:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-13 23:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-13 23:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-13 23:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-13 23:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-13 23:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-13 23:09:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-13 23:09:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-13 23:09:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-13 23:09:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:09:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:09:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:09:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:09:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:09:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:09:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:09:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:09:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-13 23:09:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-13 23:09:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-13 23:09:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-13 23:09:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-13 23:09:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-13 23:09:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:09:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-13 23:09:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-13 23:09:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-13 23:09:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-13 23:09:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-13 23:09:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-13 23:09:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-13 23:09:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-13 23:09:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:09:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:09:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:09:16,142 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:09:16,142 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:09:16,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:09:16 BoogieIcfgContainer [2019-10-13 23:09:16,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:09:16,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:09:16,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:09:16,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:09:16,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:09:10" (1/3) ... [2019-10-13 23:09:16,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4394cd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:09:16, skipping insertion in model container [2019-10-13 23:09:16,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:11" (2/3) ... [2019-10-13 23:09:16,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4394cd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:09:16, skipping insertion in model container [2019-10-13 23:09:16,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:09:16" (3/3) ... [2019-10-13 23:09:16,155 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2019-10-13 23:09:16,166 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:09:16,177 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:09:16,188 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:09:16,230 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:09:16,230 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:09:16,230 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:09:16,231 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:09:16,231 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:09:16,231 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:09:16,231 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:09:16,231 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:09:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states. [2019-10-13 23:09:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-13 23:09:16,313 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:16,315 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:16,319 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:16,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:16,325 INFO L82 PathProgramCache]: Analyzing trace with hash 362165673, now seen corresponding path program 1 times [2019-10-13 23:09:16,334 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:16,334 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803692147] [2019-10-13 23:09:16,335 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:16,335 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:16,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:17,105 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 23:09:17,106 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803692147] [2019-10-13 23:09:17,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:17,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:09:17,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323656904] [2019-10-13 23:09:17,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:09:17,114 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:17,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:09:17,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:09:17,130 INFO L87 Difference]: Start difference. First operand 609 states. Second operand 6 states. [2019-10-13 23:09:17,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:17,350 INFO L93 Difference]: Finished difference Result 1140 states and 1446 transitions. [2019-10-13 23:09:17,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:09:17,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2019-10-13 23:09:17,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:17,380 INFO L225 Difference]: With dead ends: 1140 [2019-10-13 23:09:17,380 INFO L226 Difference]: Without dead ends: 582 [2019-10-13 23:09:17,390 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 23:09:17,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-10-13 23:09:17,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-10-13 23:09:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-10-13 23:09:17,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2019-10-13 23:09:17,492 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 168 [2019-10-13 23:09:17,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:17,494 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2019-10-13 23:09:17,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:09:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2019-10-13 23:09:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-13 23:09:17,502 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:17,502 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:17,502 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:17,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:17,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1035734531, now seen corresponding path program 1 times [2019-10-13 23:09:17,503 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:17,503 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195524026] [2019-10-13 23:09:17,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:17,504 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:17,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:17,785 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 23:09:17,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195524026] [2019-10-13 23:09:17,786 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:17,786 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:09:17,786 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903157399] [2019-10-13 23:09:17,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:09:17,793 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:17,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:09:17,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:09:17,794 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand 4 states. [2019-10-13 23:09:18,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:18,614 INFO L93 Difference]: Finished difference Result 1124 states and 1404 transitions. [2019-10-13 23:09:18,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:09:18,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-10-13 23:09:18,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:18,621 INFO L225 Difference]: With dead ends: 1124 [2019-10-13 23:09:18,621 INFO L226 Difference]: Without dead ends: 582 [2019-10-13 23:09:18,624 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 23:09:18,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-10-13 23:09:18,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-10-13 23:09:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-10-13 23:09:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 712 transitions. [2019-10-13 23:09:18,684 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 712 transitions. Word has length 174 [2019-10-13 23:09:18,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:18,685 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 712 transitions. [2019-10-13 23:09:18,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:09:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 712 transitions. [2019-10-13 23:09:18,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-13 23:09:18,689 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:18,689 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:18,690 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:18,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:18,690 INFO L82 PathProgramCache]: Analyzing trace with hash 726963590, now seen corresponding path program 1 times [2019-10-13 23:09:18,690 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:18,690 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671510106] [2019-10-13 23:09:18,691 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:18,691 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:18,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:18,884 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 23:09:18,885 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671510106] [2019-10-13 23:09:18,885 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:18,885 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:09:18,885 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125144828] [2019-10-13 23:09:18,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:09:18,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:18,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:09:18,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:09:18,888 INFO L87 Difference]: Start difference. First operand 582 states and 712 transitions. Second operand 3 states. [2019-10-13 23:09:19,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:19,036 INFO L93 Difference]: Finished difference Result 1638 states and 2049 transitions. [2019-10-13 23:09:19,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:09:19,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-10-13 23:09:19,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:19,045 INFO L225 Difference]: With dead ends: 1638 [2019-10-13 23:09:19,046 INFO L226 Difference]: Without dead ends: 1096 [2019-10-13 23:09:19,049 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 23:09:19,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2019-10-13 23:09:19,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1093. [2019-10-13 23:09:19,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1093 states. [2019-10-13 23:09:19,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1354 transitions. [2019-10-13 23:09:19,133 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1354 transitions. Word has length 192 [2019-10-13 23:09:19,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:19,134 INFO L462 AbstractCegarLoop]: Abstraction has 1093 states and 1354 transitions. [2019-10-13 23:09:19,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:09:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1354 transitions. [2019-10-13 23:09:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-13 23:09:19,141 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:19,141 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:19,142 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:19,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:19,142 INFO L82 PathProgramCache]: Analyzing trace with hash -469325502, now seen corresponding path program 1 times [2019-10-13 23:09:19,142 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:19,143 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9570641] [2019-10-13 23:09:19,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:19,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:19,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:19,402 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 23:09:19,402 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9570641] [2019-10-13 23:09:19,402 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:19,402 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:09:19,403 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703907520] [2019-10-13 23:09:19,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:09:19,405 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:19,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:09:19,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:09:19,405 INFO L87 Difference]: Start difference. First operand 1093 states and 1354 transitions. Second operand 3 states. [2019-10-13 23:09:19,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:19,546 INFO L93 Difference]: Finished difference Result 1096 states and 1356 transitions. [2019-10-13 23:09:19,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:09:19,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-13 23:09:19,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:19,551 INFO L225 Difference]: With dead ends: 1096 [2019-10-13 23:09:19,551 INFO L226 Difference]: Without dead ends: 582 [2019-10-13 23:09:19,553 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 23:09:19,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-10-13 23:09:19,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-10-13 23:09:19,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-10-13 23:09:19,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 705 transitions. [2019-10-13 23:09:19,584 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 705 transitions. Word has length 193 [2019-10-13 23:09:19,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:19,585 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 705 transitions. [2019-10-13 23:09:19,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:09:19,585 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 705 transitions. [2019-10-13 23:09:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-13 23:09:19,589 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:19,589 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:19,589 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:19,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:19,590 INFO L82 PathProgramCache]: Analyzing trace with hash 740205475, now seen corresponding path program 1 times [2019-10-13 23:09:19,590 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:19,591 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676399977] [2019-10-13 23:09:19,591 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:19,591 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:19,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:19,771 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 23:09:19,771 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676399977] [2019-10-13 23:09:19,772 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:19,772 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:09:19,772 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964908494] [2019-10-13 23:09:19,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:09:19,773 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:19,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:09:19,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:09:19,774 INFO L87 Difference]: Start difference. First operand 582 states and 705 transitions. Second operand 4 states. [2019-10-13 23:09:20,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:20,410 INFO L93 Difference]: Finished difference Result 1107 states and 1340 transitions. [2019-10-13 23:09:20,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:09:20,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 205 [2019-10-13 23:09:20,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:20,416 INFO L225 Difference]: With dead ends: 1107 [2019-10-13 23:09:20,416 INFO L226 Difference]: Without dead ends: 587 [2019-10-13 23:09:20,418 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 23:09:20,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-10-13 23:09:20,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 581. [2019-10-13 23:09:20,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-10-13 23:09:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 689 transitions. [2019-10-13 23:09:20,455 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 689 transitions. Word has length 205 [2019-10-13 23:09:20,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:20,456 INFO L462 AbstractCegarLoop]: Abstraction has 581 states and 689 transitions. [2019-10-13 23:09:20,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:09:20,456 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 689 transitions. [2019-10-13 23:09:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-13 23:09:20,460 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:20,461 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:20,461 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:20,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:20,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1902396525, now seen corresponding path program 1 times [2019-10-13 23:09:20,462 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:20,462 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043403609] [2019-10-13 23:09:20,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:20,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:20,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:20,713 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 23:09:20,714 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043403609] [2019-10-13 23:09:20,715 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:20,716 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:09:20,716 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661929973] [2019-10-13 23:09:20,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:09:20,717 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:20,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:09:20,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:09:20,718 INFO L87 Difference]: Start difference. First operand 581 states and 689 transitions. Second operand 3 states. [2019-10-13 23:09:20,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:20,764 INFO L93 Difference]: Finished difference Result 913 states and 1078 transitions. [2019-10-13 23:09:20,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:09:20,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2019-10-13 23:09:20,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:20,773 INFO L225 Difference]: With dead ends: 913 [2019-10-13 23:09:20,774 INFO L226 Difference]: Without dead ends: 583 [2019-10-13 23:09:20,775 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 23:09:20,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-13 23:09:20,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2019-10-13 23:09:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2019-10-13 23:09:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 691 transitions. [2019-10-13 23:09:20,812 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 691 transitions. Word has length 226 [2019-10-13 23:09:20,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:20,815 INFO L462 AbstractCegarLoop]: Abstraction has 583 states and 691 transitions. [2019-10-13 23:09:20,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:09:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 691 transitions. [2019-10-13 23:09:20,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-13 23:09:20,821 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:20,822 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:20,822 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:20,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:20,822 INFO L82 PathProgramCache]: Analyzing trace with hash -97797234, now seen corresponding path program 1 times [2019-10-13 23:09:20,823 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:20,823 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407767160] [2019-10-13 23:09:20,823 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:20,823 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:20,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:21,073 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 23:09:21,074 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407767160] [2019-10-13 23:09:21,074 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:21,074 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:09:21,074 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552872038] [2019-10-13 23:09:21,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:09:21,076 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:21,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:09:21,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:09:21,076 INFO L87 Difference]: Start difference. First operand 583 states and 691 transitions. Second operand 3 states. [2019-10-13 23:09:21,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:21,120 INFO L93 Difference]: Finished difference Result 1110 states and 1349 transitions. [2019-10-13 23:09:21,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:09:21,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2019-10-13 23:09:21,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:21,124 INFO L225 Difference]: With dead ends: 1110 [2019-10-13 23:09:21,124 INFO L226 Difference]: Without dead ends: 637 [2019-10-13 23:09:21,126 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 23:09:21,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-10-13 23:09:21,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2019-10-13 23:09:21,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-10-13 23:09:21,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 778 transitions. [2019-10-13 23:09:21,158 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 778 transitions. Word has length 233 [2019-10-13 23:09:21,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:21,159 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 778 transitions. [2019-10-13 23:09:21,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:09:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 778 transitions. [2019-10-13 23:09:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-10-13 23:09:21,164 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:21,165 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:21,165 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:21,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:21,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1484283318, now seen corresponding path program 1 times [2019-10-13 23:09:21,165 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:21,166 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929144081] [2019-10-13 23:09:21,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:21,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:21,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-13 23:09:21,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929144081] [2019-10-13 23:09:21,496 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:21,496 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:09:21,496 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970567081] [2019-10-13 23:09:21,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:09:21,497 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:21,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:09:21,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:09:21,498 INFO L87 Difference]: Start difference. First operand 636 states and 778 transitions. Second operand 9 states. [2019-10-13 23:09:21,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:21,924 INFO L93 Difference]: Finished difference Result 974 states and 1198 transitions. [2019-10-13 23:09:21,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:09:21,924 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 234 [2019-10-13 23:09:21,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:21,928 INFO L225 Difference]: With dead ends: 974 [2019-10-13 23:09:21,929 INFO L226 Difference]: Without dead ends: 656 [2019-10-13 23:09:21,930 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-10-13 23:09:21,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2019-10-13 23:09:21,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 640. [2019-10-13 23:09:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2019-10-13 23:09:21,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 783 transitions. [2019-10-13 23:09:21,962 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 783 transitions. Word has length 234 [2019-10-13 23:09:21,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:21,963 INFO L462 AbstractCegarLoop]: Abstraction has 640 states and 783 transitions. [2019-10-13 23:09:21,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:09:21,963 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 783 transitions. [2019-10-13 23:09:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-13 23:09:21,967 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:21,967 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:21,968 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:21,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:21,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1121745602, now seen corresponding path program 1 times [2019-10-13 23:09:21,968 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:21,968 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682033555] [2019-10-13 23:09:21,969 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:21,969 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:21,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-13 23:09:23,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682033555] [2019-10-13 23:09:23,211 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:23,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2019-10-13 23:09:23,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216737301] [2019-10-13 23:09:23,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-10-13 23:09:23,213 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:23,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-10-13 23:09:23,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1377, Unknown=0, NotChecked=0, Total=1482 [2019-10-13 23:09:23,214 INFO L87 Difference]: Start difference. First operand 640 states and 783 transitions. Second operand 39 states. [2019-10-13 23:09:46,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:46,364 INFO L93 Difference]: Finished difference Result 1395 states and 1716 transitions. [2019-10-13 23:09:46,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2019-10-13 23:09:46,365 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 239 [2019-10-13 23:09:46,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:46,371 INFO L225 Difference]: With dead ends: 1395 [2019-10-13 23:09:46,372 INFO L226 Difference]: Without dead ends: 1059 [2019-10-13 23:09:46,375 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=375, Invalid=5631, Unknown=0, NotChecked=0, Total=6006 [2019-10-13 23:09:46,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2019-10-13 23:09:46,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1050. [2019-10-13 23:09:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2019-10-13 23:09:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1289 transitions. [2019-10-13 23:09:46,447 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1289 transitions. Word has length 239 [2019-10-13 23:09:46,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:46,449 INFO L462 AbstractCegarLoop]: Abstraction has 1050 states and 1289 transitions. [2019-10-13 23:09:46,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-10-13 23:09:46,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1289 transitions. [2019-10-13 23:09:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-10-13 23:09:46,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:46,458 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:46,459 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:46,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:46,459 INFO L82 PathProgramCache]: Analyzing trace with hash -265602705, now seen corresponding path program 1 times [2019-10-13 23:09:46,460 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:46,460 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119217869] [2019-10-13 23:09:46,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:46,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:46,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-13 23:09:46,691 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119217869] [2019-10-13 23:09:46,691 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:46,691 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:09:46,692 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171423302] [2019-10-13 23:09:46,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:09:46,693 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:46,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:09:46,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:09:46,693 INFO L87 Difference]: Start difference. First operand 1050 states and 1289 transitions. Second operand 3 states. [2019-10-13 23:09:46,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:09:46,795 INFO L93 Difference]: Finished difference Result 2652 states and 3311 transitions. [2019-10-13 23:09:46,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:09:46,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2019-10-13 23:09:46,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:09:46,810 INFO L225 Difference]: With dead ends: 2652 [2019-10-13 23:09:46,810 INFO L226 Difference]: Without dead ends: 1982 [2019-10-13 23:09:46,818 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 23:09:46,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2019-10-13 23:09:46,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1979. [2019-10-13 23:09:46,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1979 states. [2019-10-13 23:09:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2461 transitions. [2019-10-13 23:09:46,972 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2461 transitions. Word has length 246 [2019-10-13 23:09:46,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:09:46,974 INFO L462 AbstractCegarLoop]: Abstraction has 1979 states and 2461 transitions. [2019-10-13 23:09:46,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:09:46,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2461 transitions. [2019-10-13 23:09:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-10-13 23:09:46,979 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:09:46,980 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:09:46,980 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:09:46,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:09:46,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1874107730, now seen corresponding path program 1 times [2019-10-13 23:09:46,980 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:09:46,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9149775] [2019-10-13 23:09:46,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:46,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:09:46,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:09:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:09:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-13 23:09:48,052 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9149775] [2019-10-13 23:09:48,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:09:48,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2019-10-13 23:09:48,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143568707] [2019-10-13 23:09:48,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-10-13 23:09:48,053 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:09:48,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-10-13 23:09:48,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1529, Unknown=0, NotChecked=0, Total=1640 [2019-10-13 23:09:48,054 INFO L87 Difference]: Start difference. First operand 1979 states and 2461 transitions. Second operand 41 states.