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_spec8_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:16:59,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:16:59,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:16:59,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:16:59,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:16:59,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:16:59,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:16:59,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:16:59,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:16:59,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:16:59,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:16:59,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:16:59,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:16:59,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:16:59,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:16:59,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:16:59,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:16:59,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:16:59,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:16:59,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:16:59,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:16:59,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:16:59,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:16:59,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:16:59,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:16:59,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:16:59,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:16:59,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:16:59,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:16:59,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:16:59,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:16:59,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:16:59,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:16:59,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:16:59,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:16:59,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:16:59,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:16:59,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:16:59,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:16:59,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:16:59,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:16:59,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:16:59,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:16:59,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:16:59,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:16:59,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:16:59,214 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:16:59,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:16:59,219 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:16:59,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:16:59,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:16:59,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:16:59,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:16:59,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:16:59,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:16:59,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:16:59,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:16:59,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:16:59,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:16:59,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:16:59,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:16:59,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:16:59,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:16:59,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:59,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:16:59,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:16:59,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:16:59,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:16:59,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:16:59,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:16:59,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:16:59,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:16:59,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:16:59,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:16:59,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:16:59,511 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:16:59,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2019-10-15 03:16:59,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b53bde530/fc69dc23ff5f4a4ca0b9b14f40fa4340/FLAG1080579f3 [2019-10-15 03:17:00,246 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:17:00,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2019-10-15 03:17:00,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b53bde530/fc69dc23ff5f4a4ca0b9b14f40fa4340/FLAG1080579f3 [2019-10-15 03:17:00,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b53bde530/fc69dc23ff5f4a4ca0b9b14f40fa4340 [2019-10-15 03:17:00,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:17:00,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:17:00,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:17:00,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:17:00,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:17:00,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:17:00" (1/1) ... [2019-10-15 03:17:00,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2feeb304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:00, skipping insertion in model container [2019-10-15 03:17:00,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:17:00" (1/1) ... [2019-10-15 03:17:00,437 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:17:00,522 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:17:01,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:17:01,337 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:17:01,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:17:01,568 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:17:01,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01 WrapperNode [2019-10-15 03:17:01,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:17:01,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:17:01,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:17:01,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:17:01,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01" (1/1) ... [2019-10-15 03:17:01,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01" (1/1) ... [2019-10-15 03:17:01,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01" (1/1) ... [2019-10-15 03:17:01,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01" (1/1) ... [2019-10-15 03:17:01,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01" (1/1) ... [2019-10-15 03:17:01,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01" (1/1) ... [2019-10-15 03:17:01,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01" (1/1) ... [2019-10-15 03:17:01,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:17:01,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:17:01,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:17:01,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:17:01,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:17:01,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:17:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:17:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:17:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:17:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:17:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:17:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:17:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:17:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:17:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:17:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:17:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:17:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:17:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:17:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:17:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:17:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:17:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:17:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:17:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:17:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:17:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:17:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:17:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:17:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:17:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:17:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:17:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:17:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:17:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:17:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:17:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:17:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:17:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:17:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:17:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:17:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:17:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:17:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:17:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:17:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:17:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:17:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:17:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:17:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:17:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:17:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:17:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:17:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:17:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:17:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:17:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:17:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:17:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:17:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:17:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:17:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:17:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:17:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:17:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:17:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:17:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-15 03:17:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-15 03:17:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:17:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:17:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:17:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:17:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:17:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:17:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:17:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:17:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:17:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:17:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:17:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:17:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:17:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:17:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:17:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:17:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:17:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:17:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:17:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:17:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:17:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:17:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:17:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:17:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:17:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:17:01,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:17:01,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:17:01,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:17:01,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:17:01,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:17:01,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:17:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:17:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:17:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-15 03:17:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:17:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:17:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:17:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:17:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:17:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:17:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:17:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:17:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:17:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:17:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:17:01,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:17:01,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:17:01,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:17:01,863 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:17:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:17:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:17:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:17:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:17:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:17:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:17:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:17:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:17:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:17:01,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:17:01,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:17:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:17:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:17:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:17:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:17:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:17:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:17:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:17:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:17:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:17:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:17:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:17:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:17:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:17:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:17:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:17:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:17:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:17:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:17:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:17:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:17:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:17:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:17:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:17:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:17:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:17:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:17:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:17:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:17:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:17:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:17:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:17:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:17:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:17:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:17:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:17:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:17:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:17:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:17:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:17:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:17:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:17:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:17:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:17:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:17:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:17:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:17:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:17:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:17:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:17:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:17:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:17:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:17:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:17:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:17:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:17:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:17:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:17:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:17:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:17:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:17:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:17:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:17:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-15 03:17:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-15 03:17:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:17:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:17:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:17:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:17:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:17:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:17:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:17:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:17:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:17:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:17:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:17:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:17:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:17:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:17:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:17:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:17:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:17:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:17:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:17:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:17:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:17:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:17:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:17:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:17:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:17:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:17:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:17:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:17:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:17:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:17:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:17:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:17:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:17:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:17:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:17:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:17:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:17:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:17:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:17:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:17:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:17:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:17:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:17:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:17:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:17:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:17:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:17:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:17:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-15 03:17:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:17:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:17:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:17:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:17:06,413 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:17:06,414 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:17:06,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:17:06 BoogieIcfgContainer [2019-10-15 03:17:06,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:17:06,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:17:06,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:17:06,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:17:06,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:17:00" (1/3) ... [2019-10-15 03:17:06,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66901c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:17:06, skipping insertion in model container [2019-10-15 03:17:06,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01" (2/3) ... [2019-10-15 03:17:06,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66901c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:17:06, skipping insertion in model container [2019-10-15 03:17:06,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:17:06" (3/3) ... [2019-10-15 03:17:06,423 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2019-10-15 03:17:06,431 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:17:06,441 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:17:06,501 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:17:06,530 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:17:06,530 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:17:06,530 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:17:06,530 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:17:06,531 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:17:06,531 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:17:06,531 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:17:06,531 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:17:06,562 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states. [2019-10-15 03:17:06,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-15 03:17:06,591 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:06,593 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:17:06,597 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:06,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:06,605 INFO L82 PathProgramCache]: Analyzing trace with hash 422861143, now seen corresponding path program 1 times [2019-10-15 03:17:06,620 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:06,621 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977964209] [2019-10-15 03:17:06,621 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:06,622 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:06,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:17:07,233 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977964209] [2019-10-15 03:17:07,234 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:07,234 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:17:07,234 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673821019] [2019-10-15 03:17:07,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:17:07,240 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:07,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:17:07,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:17:07,258 INFO L87 Difference]: Start difference. First operand 389 states. Second operand 2 states. [2019-10-15 03:17:07,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:07,345 INFO L93 Difference]: Finished difference Result 518 states and 617 transitions. [2019-10-15 03:17:07,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:17:07,348 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-15 03:17:07,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:07,379 INFO L225 Difference]: With dead ends: 518 [2019-10-15 03:17:07,379 INFO L226 Difference]: Without dead ends: 341 [2019-10-15 03:17:07,393 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:17:07,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-10-15 03:17:07,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2019-10-15 03:17:07,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-10-15 03:17:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 403 transitions. [2019-10-15 03:17:07,503 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 403 transitions. Word has length 121 [2019-10-15 03:17:07,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:07,506 INFO L462 AbstractCegarLoop]: Abstraction has 341 states and 403 transitions. [2019-10-15 03:17:07,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:17:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 403 transitions. [2019-10-15 03:17:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-15 03:17:07,510 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:07,511 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:17:07,511 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:07,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:07,512 INFO L82 PathProgramCache]: Analyzing trace with hash 955406957, now seen corresponding path program 1 times [2019-10-15 03:17:07,512 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:07,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278374683] [2019-10-15 03:17:07,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:07,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:07,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:17:07,703 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278374683] [2019-10-15 03:17:07,703 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:07,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:07,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307911861] [2019-10-15 03:17:07,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:07,706 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:07,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:07,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:07,707 INFO L87 Difference]: Start difference. First operand 341 states and 403 transitions. Second operand 3 states. [2019-10-15 03:17:07,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:07,746 INFO L93 Difference]: Finished difference Result 503 states and 586 transitions. [2019-10-15 03:17:07,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:07,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-15 03:17:07,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:07,750 INFO L225 Difference]: With dead ends: 503 [2019-10-15 03:17:07,750 INFO L226 Difference]: Without dead ends: 343 [2019-10-15 03:17:07,752 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:07,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-10-15 03:17:07,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2019-10-15 03:17:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-10-15 03:17:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 405 transitions. [2019-10-15 03:17:07,777 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 405 transitions. Word has length 122 [2019-10-15 03:17:07,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:07,777 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 405 transitions. [2019-10-15 03:17:07,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:07,778 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 405 transitions. [2019-10-15 03:17:07,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-15 03:17:07,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:07,781 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:07,781 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:07,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:07,782 INFO L82 PathProgramCache]: Analyzing trace with hash -379364, now seen corresponding path program 1 times [2019-10-15 03:17:07,782 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:07,782 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656690313] [2019-10-15 03:17:07,782 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:07,782 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:07,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:17:08,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656690313] [2019-10-15 03:17:08,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:08,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:08,040 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978290988] [2019-10-15 03:17:08,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:08,043 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:08,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:08,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:08,043 INFO L87 Difference]: Start difference. First operand 343 states and 405 transitions. Second operand 3 states. [2019-10-15 03:17:08,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:08,093 INFO L93 Difference]: Finished difference Result 670 states and 820 transitions. [2019-10-15 03:17:08,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:08,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-15 03:17:08,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:08,100 INFO L225 Difference]: With dead ends: 670 [2019-10-15 03:17:08,100 INFO L226 Difference]: Without dead ends: 385 [2019-10-15 03:17:08,101 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:08,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-10-15 03:17:08,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 384. [2019-10-15 03:17:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-10-15 03:17:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 476 transitions. [2019-10-15 03:17:08,139 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 476 transitions. Word has length 131 [2019-10-15 03:17:08,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:08,139 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 476 transitions. [2019-10-15 03:17:08,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 476 transitions. [2019-10-15 03:17:08,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-15 03:17:08,143 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:08,143 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:08,143 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:08,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:08,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1617566755, now seen corresponding path program 1 times [2019-10-15 03:17:08,144 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:08,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15932904] [2019-10-15 03:17:08,144 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:08,145 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:08,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:17:08,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15932904] [2019-10-15 03:17:08,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:08,292 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:08,293 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569946429] [2019-10-15 03:17:08,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:08,294 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:08,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:08,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:08,295 INFO L87 Difference]: Start difference. First operand 384 states and 476 transitions. Second operand 3 states. [2019-10-15 03:17:08,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:08,336 INFO L93 Difference]: Finished difference Result 790 states and 1028 transitions. [2019-10-15 03:17:08,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:08,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-15 03:17:08,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:08,340 INFO L225 Difference]: With dead ends: 790 [2019-10-15 03:17:08,340 INFO L226 Difference]: Without dead ends: 464 [2019-10-15 03:17:08,342 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:08,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-15 03:17:08,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 463. [2019-10-15 03:17:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2019-10-15 03:17:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 612 transitions. [2019-10-15 03:17:08,374 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 612 transitions. Word has length 132 [2019-10-15 03:17:08,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:08,376 INFO L462 AbstractCegarLoop]: Abstraction has 463 states and 612 transitions. [2019-10-15 03:17:08,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:08,377 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 612 transitions. [2019-10-15 03:17:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-15 03:17:08,381 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:08,383 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:08,383 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:08,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:08,384 INFO L82 PathProgramCache]: Analyzing trace with hash -262439639, now seen corresponding path program 1 times [2019-10-15 03:17:08,384 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:08,385 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146506313] [2019-10-15 03:17:08,385 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:08,385 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:08,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:08,662 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:17:08,662 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146506313] [2019-10-15 03:17:08,663 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95887302] [2019-10-15 03:17:08,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:17:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:09,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:17:09,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:17:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:17:09,456 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:17:09,657 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:17:09,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1790505934] [2019-10-15 03:17:09,690 INFO L162 IcfgInterpreter]: Started Sifa with 124 locations of interest [2019-10-15 03:17:09,690 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:17:09,699 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:17:09,706 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:17:09,707 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs