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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:13:46,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:13:46,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:13:46,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:13:46,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:13:46,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:13:46,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:13:46,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:13:46,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:13:46,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:13:46,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:13:46,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:13:46,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:13:46,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:13:46,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:13:46,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:13:46,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:13:46,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:13:46,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:13:46,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:13:46,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:13:46,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:13:46,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:13:46,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:13:46,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:13:46,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:13:46,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:13:46,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:13:46,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:13:46,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:13:46,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:13:46,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:13:46,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:13:46,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:13:46,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:13:46,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:13:46,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:13:46,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:13:46,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:13:46,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:13:46,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:13:46,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:13:46,249 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:13:46,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:13:46,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:13:46,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:13:46,254 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:13:46,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:13:46,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:13:46,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:13:46,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:13:46,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:13:46,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:13:46,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:13:46,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:13:46,258 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:13:46,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:13:46,258 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:13:46,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:13:46,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:13:46,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:13:46,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:13:46,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:13:46,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:13:46,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:13:46,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:13:46,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:13:46,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:13:46,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:13:46,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:13:46,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:13:46,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:13:46,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:13:46,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:13:46,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:13:46,639 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:13:46,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product35.cil.c [2019-10-15 03:13:46,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c226666f1/d826bd92ea63413398cf9a8902f54cc2/FLAGb4d42ad1d [2019-10-15 03:13:47,394 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:13:47,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product35.cil.c [2019-10-15 03:13:47,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c226666f1/d826bd92ea63413398cf9a8902f54cc2/FLAGb4d42ad1d [2019-10-15 03:13:47,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c226666f1/d826bd92ea63413398cf9a8902f54cc2 [2019-10-15 03:13:47,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:13:47,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:13:47,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:47,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:13:47,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:13:47,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:47" (1/1) ... [2019-10-15 03:13:47,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84451e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:47, skipping insertion in model container [2019-10-15 03:13:47,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:47" (1/1) ... [2019-10-15 03:13:47,595 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:13:47,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:13:48,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:48,516 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:13:48,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:48,837 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:13:48,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:48 WrapperNode [2019-10-15 03:13:48,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:48,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:13:48,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:13:48,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:13:48,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:48" (1/1) ... [2019-10-15 03:13:48,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:48" (1/1) ... [2019-10-15 03:13:48,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:48" (1/1) ... [2019-10-15 03:13:48,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:48" (1/1) ... [2019-10-15 03:13:49,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:48" (1/1) ... [2019-10-15 03:13:49,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:48" (1/1) ... [2019-10-15 03:13:49,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:48" (1/1) ... [2019-10-15 03:13:49,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:13:49,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:13:49,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:13:49,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:13:49,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:13:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:13:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:13:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:13:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:13:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:13:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:13:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:13:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:13:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:13:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:13:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:13:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:13:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:13:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:13:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:13:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:13:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:13:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:13:49,157 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:13:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:13:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:13:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:13:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:13:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:13:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:13:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:13:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:13:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:13:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:13:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:13:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:13:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:13:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:13:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:13:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:13:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:13:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:13:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:13:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:13:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:13:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:13:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:13:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:13:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:13:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:13:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:13:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:13:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:13:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:13:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:13:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:13:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:13:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:13:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:13:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:13:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:13:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:13:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:13:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:13:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:13:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:13:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:13:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:13:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:13:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:13:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:13:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:13:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:13:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:13:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:13:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:13:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:13:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:13:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:13:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:13:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:13:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:13:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:13:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:13:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:13:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:13:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:13:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:13:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:13:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:13:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:13:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:13:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:13:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:13:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:13:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:13:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:13:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:13:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-15 03:13:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:13:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:13:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:13:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:13:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:13:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:13:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:13:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:13:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:13:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:13:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:13:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:13:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:13:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:13:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:13:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:13:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:13:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:13:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:13:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:13:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:13:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:13:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:13:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:13:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:13:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:13:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:13:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:13:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:13:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:13:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:13:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:13:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:13:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:13:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:13:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:13:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:13:49,188 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:13:49,188 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:13:49,188 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:13:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:13:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:13:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:13:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:13:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:13:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:13:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:13:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:13:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:13:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:13:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:13:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:13:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:13:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:13:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:13:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:13:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:13:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:13:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:13:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:13:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:13:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:13:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:13:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:13:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:13:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:13:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:13:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:13:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:13:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:13:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:13:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:13:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:13:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:13:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:13:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:13:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:13:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:13:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:13:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:13:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:13:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:13:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:13:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:13:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:13:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:13:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:13:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:13:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:13:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:13:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:13:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:13:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:13:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:13:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:13:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:13:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:13:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:13:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:13:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:13:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:13:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:13:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:13:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:13:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:13:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:13:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:13:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:13:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:13:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:13:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:13:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:13:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:13:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:13:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:13:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:13:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:13:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:13:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:13:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-15 03:13:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:13:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:13:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:13:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:13:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:13:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:13:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:13:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:13:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:13:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:13:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:13:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:13:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:13:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:13:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:13:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:13:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:13:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:13:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:13:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:13:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:13:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:13:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:13:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:13:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:13:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:13:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:13:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:13:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:13:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:13:53,980 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:13:53,981 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:13:53,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:53 BoogieIcfgContainer [2019-10-15 03:13:53,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:13:53,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:13:53,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:13:53,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:13:53,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:13:47" (1/3) ... [2019-10-15 03:13:53,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7feafda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:53, skipping insertion in model container [2019-10-15 03:13:53,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:48" (2/3) ... [2019-10-15 03:13:53,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7feafda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:53, skipping insertion in model container [2019-10-15 03:13:53,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:53" (3/3) ... [2019-10-15 03:13:53,991 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product35.cil.c [2019-10-15 03:13:54,001 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:13:54,011 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:13:54,023 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:13:54,052 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:13:54,053 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:13:54,053 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:13:54,053 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:13:54,053 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:13:54,053 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:13:54,053 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:13:54,053 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:13:54,084 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states. [2019-10-15 03:13:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-15 03:13:54,103 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:54,105 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:54,107 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:54,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:54,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1792393763, now seen corresponding path program 1 times [2019-10-15 03:13:54,123 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:54,123 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063530284] [2019-10-15 03:13:54,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:54,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:54,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:13:54,914 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063530284] [2019-10-15 03:13:54,915 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:54,915 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:13:54,916 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512509004] [2019-10-15 03:13:54,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:13:54,922 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:54,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:13:54,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:13:54,940 INFO L87 Difference]: Start difference. First operand 481 states. Second operand 2 states. [2019-10-15 03:13:55,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:55,050 INFO L93 Difference]: Finished difference Result 737 states and 887 transitions. [2019-10-15 03:13:55,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:13:55,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 176 [2019-10-15 03:13:55,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:55,086 INFO L225 Difference]: With dead ends: 737 [2019-10-15 03:13:55,087 INFO L226 Difference]: Without dead ends: 454 [2019-10-15 03:13:55,098 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 03:13:55,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-15 03:13:55,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-15 03:13:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-15 03:13:55,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 538 transitions. [2019-10-15 03:13:55,200 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 538 transitions. Word has length 176 [2019-10-15 03:13:55,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:55,203 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 538 transitions. [2019-10-15 03:13:55,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:13:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 538 transitions. [2019-10-15 03:13:55,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-15 03:13:55,209 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:55,210 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:55,210 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:55,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:55,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1638575725, now seen corresponding path program 1 times [2019-10-15 03:13:55,211 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:55,211 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128900285] [2019-10-15 03:13:55,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:55,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:55,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:13:55,518 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128900285] [2019-10-15 03:13:55,518 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:55,518 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:13:55,519 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689464780] [2019-10-15 03:13:55,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:13:55,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:55,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:13:55,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:55,523 INFO L87 Difference]: Start difference. First operand 454 states and 538 transitions. Second operand 3 states. [2019-10-15 03:13:55,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:55,581 INFO L93 Difference]: Finished difference Result 722 states and 849 transitions. [2019-10-15 03:13:55,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:13:55,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-10-15 03:13:55,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:55,588 INFO L225 Difference]: With dead ends: 722 [2019-10-15 03:13:55,588 INFO L226 Difference]: Without dead ends: 456 [2019-10-15 03:13:55,591 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 03:13:55,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2019-10-15 03:13:55,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2019-10-15 03:13:55,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2019-10-15 03:13:55,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 540 transitions. [2019-10-15 03:13:55,653 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 540 transitions. Word has length 177 [2019-10-15 03:13:55,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:55,655 INFO L462 AbstractCegarLoop]: Abstraction has 456 states and 540 transitions. [2019-10-15 03:13:55,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:13:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 540 transitions. [2019-10-15 03:13:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 03:13:55,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:55,664 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:55,665 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:55,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:55,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1306047726, now seen corresponding path program 1 times [2019-10-15 03:13:55,665 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:55,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372737483] [2019-10-15 03:13:55,666 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:55,666 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:55,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:13:56,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372737483] [2019-10-15 03:13:56,008 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:56,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:13:56,009 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426696043] [2019-10-15 03:13:56,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:13:56,010 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:56,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:13:56,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:56,011 INFO L87 Difference]: Start difference. First operand 456 states and 540 transitions. Second operand 3 states. [2019-10-15 03:13:56,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:56,069 INFO L93 Difference]: Finished difference Result 898 states and 1093 transitions. [2019-10-15 03:13:56,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:13:56,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-15 03:13:56,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:56,075 INFO L225 Difference]: With dead ends: 898 [2019-10-15 03:13:56,075 INFO L226 Difference]: Without dead ends: 500 [2019-10-15 03:13:56,077 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 03:13:56,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-10-15 03:13:56,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 499. [2019-10-15 03:13:56,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2019-10-15 03:13:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 614 transitions. [2019-10-15 03:13:56,105 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 614 transitions. Word has length 189 [2019-10-15 03:13:56,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:56,106 INFO L462 AbstractCegarLoop]: Abstraction has 499 states and 614 transitions. [2019-10-15 03:13:56,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:13:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 614 transitions. [2019-10-15 03:13:56,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-15 03:13:56,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:56,111 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:56,112 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:56,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:56,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1586240380, now seen corresponding path program 1 times [2019-10-15 03:13:56,112 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:56,113 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242960169] [2019-10-15 03:13:56,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:56,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:56,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 03:13:57,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242960169] [2019-10-15 03:13:57,054 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:57,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-15 03:13:57,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953114243] [2019-10-15 03:13:57,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-15 03:13:57,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:57,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-15 03:13:57,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2019-10-15 03:13:57,056 INFO L87 Difference]: Start difference. First operand 499 states and 614 transitions. Second operand 28 states. [2019-10-15 03:14:07,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:07,754 INFO L93 Difference]: Finished difference Result 1114 states and 1382 transitions. [2019-10-15 03:14:07,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-15 03:14:07,755 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 190 [2019-10-15 03:14:07,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:07,765 INFO L225 Difference]: With dead ends: 1114 [2019-10-15 03:14:07,765 INFO L226 Difference]: Without dead ends: 856 [2019-10-15 03:14:07,768 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=178, Invalid=2078, Unknown=0, NotChecked=0, Total=2256 [2019-10-15 03:14:07,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2019-10-15 03:14:07,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 827. [2019-10-15 03:14:07,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2019-10-15 03:14:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1025 transitions. [2019-10-15 03:14:07,814 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1025 transitions. Word has length 190 [2019-10-15 03:14:07,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:07,815 INFO L462 AbstractCegarLoop]: Abstraction has 827 states and 1025 transitions. [2019-10-15 03:14:07,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-15 03:14:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1025 transitions. [2019-10-15 03:14:07,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 03:14:07,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:07,820 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:07,820 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:07,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:07,821 INFO L82 PathProgramCache]: Analyzing trace with hash -2055650954, now seen corresponding path program 1 times [2019-10-15 03:14:07,821 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:07,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103361767] [2019-10-15 03:14:07,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:07,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:07,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 03:14:08,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103361767] [2019-10-15 03:14:08,065 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:08,065 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:14:08,065 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515648475] [2019-10-15 03:14:08,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:14:08,066 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:08,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:14:08,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:14:08,067 INFO L87 Difference]: Start difference. First operand 827 states and 1025 transitions. Second operand 10 states. [2019-10-15 03:14:08,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:08,154 INFO L93 Difference]: Finished difference Result 1413 states and 1765 transitions. [2019-10-15 03:14:08,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:14:08,155 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 194 [2019-10-15 03:14:08,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:08,167 INFO L225 Difference]: With dead ends: 1413 [2019-10-15 03:14:08,167 INFO L226 Difference]: Without dead ends: 847 [2019-10-15 03:14:08,174 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:14:08,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2019-10-15 03:14:08,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 831. [2019-10-15 03:14:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2019-10-15 03:14:08,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1029 transitions. [2019-10-15 03:14:08,221 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1029 transitions. Word has length 194 [2019-10-15 03:14:08,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:08,226 INFO L462 AbstractCegarLoop]: Abstraction has 831 states and 1029 transitions. [2019-10-15 03:14:08,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:14:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1029 transitions. [2019-10-15 03:14:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-15 03:14:08,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:08,231 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:08,231 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:08,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:08,232 INFO L82 PathProgramCache]: Analyzing trace with hash 788401274, now seen corresponding path program 1 times [2019-10-15 03:14:08,232 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:08,232 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637445435] [2019-10-15 03:14:08,232 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:08,232 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:08,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 03:14:09,227 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637445435] [2019-10-15 03:14:09,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:09,228 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2019-10-15 03:14:09,228 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441162154] [2019-10-15 03:14:09,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-10-15 03:14:09,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:09,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-10-15 03:14:09,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1097, Unknown=0, NotChecked=0, Total=1190 [2019-10-15 03:14:09,230 INFO L87 Difference]: Start difference. First operand 831 states and 1029 transitions. Second operand 35 states.