/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:17:45,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:17:45,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:17:45,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:17:45,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:17:45,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:17:45,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:17:45,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:17:45,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:17:45,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:17:45,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:17:45,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:17:45,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:17:45,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:17:45,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:17:45,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:17:45,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:17:45,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:17:45,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:17:45,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:17:45,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:17:45,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:17:45,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:17:45,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:17:45,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:17:45,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:17:45,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:17:45,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:17:45,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:17:45,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:17:45,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:17:45,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:17:45,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:17:45,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:17:45,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:17:45,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:17:45,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:17:45,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:17:45,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:17:45,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:17:45,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:17:45,907 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 [2019-11-07 04:17:45,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:17:45,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:17:45,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:17:45,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:17:45,923 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:17:45,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:17:45,924 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:17:45,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:17:45,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:17:45,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:17:45,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:17:45,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:17:45,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:17:45,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:17:45,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:17:45,926 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:17:45,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:17:45,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:17:45,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:17:45,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:17:45,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:17:45,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:17:45,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:17:45,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:17:45,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:17:45,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:17:45,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:17:45,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:17:45,930 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 [2019-11-07 04:17:46,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:17:46,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:17:46,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:17:46,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:17:46,242 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:17:46,243 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product32.cil.c [2019-11-07 04:17:46,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc38dd060/785ebc464f1242e8829e14a1ae6adbf5/FLAG15fa2df05 [2019-11-07 04:17:46,919 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:17:46,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product32.cil.c [2019-11-07 04:17:46,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc38dd060/785ebc464f1242e8829e14a1ae6adbf5/FLAG15fa2df05 [2019-11-07 04:17:47,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc38dd060/785ebc464f1242e8829e14a1ae6adbf5 [2019-11-07 04:17:47,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:17:47,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:17:47,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:17:47,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:17:47,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:17:47,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:47" (1/1) ... [2019-11-07 04:17:47,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4a1e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:47, skipping insertion in model container [2019-11-07 04:17:47,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:47" (1/1) ... [2019-11-07 04:17:47,255 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:17:47,373 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:17:48,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:17:48,152 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:17:48,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:17:48,462 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:17:48,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:48 WrapperNode [2019-11-07 04:17:48,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:17:48,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:17:48,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:17:48,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:17:48,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:48" (1/1) ... [2019-11-07 04:17:48,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:48" (1/1) ... [2019-11-07 04:17:48,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:48" (1/1) ... [2019-11-07 04:17:48,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:48" (1/1) ... [2019-11-07 04:17:48,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:48" (1/1) ... [2019-11-07 04:17:48,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:48" (1/1) ... [2019-11-07 04:17:48,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:48" (1/1) ... [2019-11-07 04:17:48,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:17:48,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:17:48,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:17:48,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:17:48,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:48" (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 [2019-11-07 04:17:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:17:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:17:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:17:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:17:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:17:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:17:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:17:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:17:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:17:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:17:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:17:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:17:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:17:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:17:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:17:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:17:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:17:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:17:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:17:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:17:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:17:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:17:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:17:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:17:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:17:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:17:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:17:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:17:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:17:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:17:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:17:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:17:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:17:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:17:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:17:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:17:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:17:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:17:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:17:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:17:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:17:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:17:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:17:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:17:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:17:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:17:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:17:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:17:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:17:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:17:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:17:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-07 04:17:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:17:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:17:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:17:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:17:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:17:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:17:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:17:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:17:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:17:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:17:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:17:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:17:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:17:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:17:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:17:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:17:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:17:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:17:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:17:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:17:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:17:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:17:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:17:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:17:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:17:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:17:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:17:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:17:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:17:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:17:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:17:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:17:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:17:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:17:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:17:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:17:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:17:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:17:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-07 04:17:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:17:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:17:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:17:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:17:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:17:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:17:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:17:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:17:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:17:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:17:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:17:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:17:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:17:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:17:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:17:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:17:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:17:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:17:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:17:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:17:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:17:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:17:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:17:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:17:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:17:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:17:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:17:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:17:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:17:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:17:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:17:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:17:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:17:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:17:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:17:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:17:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:17:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:17:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:17:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:17:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:17:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:17:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:17:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:17:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:17:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:17:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:17:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:17:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:17:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:17:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:17:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:17:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:17:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:17:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:17:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:17:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:17:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:17:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:17:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:17:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:17:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:17:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:17:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:17:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:17:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:17:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:17:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:17:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:17:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:17:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:17:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:17:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:17:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:17:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:17:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:17:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:17:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:17:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:17:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:17:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:17:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:17:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:17:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:17:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:17:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-07 04:17:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:17:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:17:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:17:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:17:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:17:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:17:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:17:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:17:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:17:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:17:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:17:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:17:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:17:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:17:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:17:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:17:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:17:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:17:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:17:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:17:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:17:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:17:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:17:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:17:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:17:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:17:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:17:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:17:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:17:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:17:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:17:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:17:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:17:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:17:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:17:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:17:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:17:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:17:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:17:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:17:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:17:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:17:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:17:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:17:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:17:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:17:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:17:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:17:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:17:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:17:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:17:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:17:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:17:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:17:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:17:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:17:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:17:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:17:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-07 04:17:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:17:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:17:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:17:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:17:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:17:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:17:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:17:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:17:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:17:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:17:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:17:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:17:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:17:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:17:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:17:54,001 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:17:54,002 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:17:54,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:54 BoogieIcfgContainer [2019-11-07 04:17:54,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:17:54,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:17:54,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:17:54,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:17:54,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:17:47" (1/3) ... [2019-11-07 04:17:54,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51dace6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:54, skipping insertion in model container [2019-11-07 04:17:54,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:48" (2/3) ... [2019-11-07 04:17:54,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51dace6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:54, skipping insertion in model container [2019-11-07 04:17:54,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:54" (3/3) ... [2019-11-07 04:17:54,017 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product32.cil.c [2019-11-07 04:17:54,027 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:17:54,037 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:17:54,048 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:17:54,079 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:17:54,079 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:17:54,079 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:17:54,079 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:17:54,079 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:17:54,080 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:17:54,080 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:17:54,080 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:17:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states. [2019-11-07 04:17:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-07 04:17:54,126 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:54,127 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:54,130 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:54,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:54,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1699195021, now seen corresponding path program 1 times [2019-11-07 04:17:54,144 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:54,144 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777039552] [2019-11-07 04:17:54,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:54,803 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:54,803 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777039552] [2019-11-07 04:17:54,804 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:54,804 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:17:54,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222198835] [2019-11-07 04:17:54,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:17:54,813 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:54,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:17:54,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:17:54,830 INFO L87 Difference]: Start difference. First operand 444 states. Second operand 2 states. [2019-11-07 04:17:54,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:54,906 INFO L93 Difference]: Finished difference Result 628 states and 750 transitions. [2019-11-07 04:17:54,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:17:54,907 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-11-07 04:17:54,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:54,927 INFO L225 Difference]: With dead ends: 628 [2019-11-07 04:17:54,928 INFO L226 Difference]: Without dead ends: 396 [2019-11-07 04:17:54,934 INFO L630 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 [2019-11-07 04:17:54,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-11-07 04:17:55,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2019-11-07 04:17:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-11-07 04:17:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 469 transitions. [2019-11-07 04:17:55,032 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 469 transitions. Word has length 132 [2019-11-07 04:17:55,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:55,034 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 469 transitions. [2019-11-07 04:17:55,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:17:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 469 transitions. [2019-11-07 04:17:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-07 04:17:55,049 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:55,050 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:55,050 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:55,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:55,050 INFO L82 PathProgramCache]: Analyzing trace with hash -91207852, now seen corresponding path program 1 times [2019-11-07 04:17:55,051 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:55,051 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033873664] [2019-11-07 04:17:55,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:55,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:55,274 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033873664] [2019-11-07 04:17:55,275 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:55,275 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:17:55,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971222759] [2019-11-07 04:17:55,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:17:55,277 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:55,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:17:55,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:17:55,278 INFO L87 Difference]: Start difference. First operand 396 states and 469 transitions. Second operand 3 states. [2019-11-07 04:17:55,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:55,334 INFO L93 Difference]: Finished difference Result 613 states and 718 transitions. [2019-11-07 04:17:55,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:17:55,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-11-07 04:17:55,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:55,346 INFO L225 Difference]: With dead ends: 613 [2019-11-07 04:17:55,346 INFO L226 Difference]: Without dead ends: 398 [2019-11-07 04:17:55,355 INFO L630 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 [2019-11-07 04:17:55,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-11-07 04:17:55,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2019-11-07 04:17:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-11-07 04:17:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 471 transitions. [2019-11-07 04:17:55,407 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 471 transitions. Word has length 133 [2019-11-07 04:17:55,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:55,408 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 471 transitions. [2019-11-07 04:17:55,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:17:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 471 transitions. [2019-11-07 04:17:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-07 04:17:55,411 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:55,411 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:55,412 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:55,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:55,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1720966965, now seen corresponding path program 1 times [2019-11-07 04:17:55,412 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:55,412 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583000047] [2019-11-07 04:17:55,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:55,677 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:55,678 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583000047] [2019-11-07 04:17:55,678 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:55,678 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:17:55,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134431920] [2019-11-07 04:17:55,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:17:55,680 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:55,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:17:55,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:17:55,680 INFO L87 Difference]: Start difference. First operand 398 states and 471 transitions. Second operand 3 states. [2019-11-07 04:17:55,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:55,737 INFO L93 Difference]: Finished difference Result 780 states and 952 transitions. [2019-11-07 04:17:55,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:17:55,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-11-07 04:17:55,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:55,744 INFO L225 Difference]: With dead ends: 780 [2019-11-07 04:17:55,744 INFO L226 Difference]: Without dead ends: 440 [2019-11-07 04:17:55,747 INFO L630 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 [2019-11-07 04:17:55,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-11-07 04:17:55,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2019-11-07 04:17:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-11-07 04:17:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 542 transitions. [2019-11-07 04:17:55,784 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 542 transitions. Word has length 142 [2019-11-07 04:17:55,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:55,786 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 542 transitions. [2019-11-07 04:17:55,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:17:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 542 transitions. [2019-11-07 04:17:55,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-07 04:17:55,793 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:55,794 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:55,794 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:55,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:55,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1802617281, now seen corresponding path program 1 times [2019-11-07 04:17:55,796 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:55,796 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928343386] [2019-11-07 04:17:55,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:55,983 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928343386] [2019-11-07 04:17:55,983 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:55,985 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:17:55,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252437187] [2019-11-07 04:17:55,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:17:55,986 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:55,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:17:55,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:17:55,987 INFO L87 Difference]: Start difference. First operand 439 states and 542 transitions. Second operand 3 states. [2019-11-07 04:17:56,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:56,020 INFO L93 Difference]: Finished difference Result 900 states and 1160 transitions. [2019-11-07 04:17:56,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:17:56,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2019-11-07 04:17:56,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:56,025 INFO L225 Difference]: With dead ends: 900 [2019-11-07 04:17:56,025 INFO L226 Difference]: Without dead ends: 519 [2019-11-07 04:17:56,026 INFO L630 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 [2019-11-07 04:17:56,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2019-11-07 04:17:56,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 518. [2019-11-07 04:17:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2019-11-07 04:17:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 678 transitions. [2019-11-07 04:17:56,052 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 678 transitions. Word has length 143 [2019-11-07 04:17:56,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:56,053 INFO L462 AbstractCegarLoop]: Abstraction has 518 states and 678 transitions. [2019-11-07 04:17:56,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:17:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 678 transitions. [2019-11-07 04:17:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-07 04:17:56,058 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:56,058 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:56,059 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:56,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:56,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1367322965, now seen corresponding path program 1 times [2019-11-07 04:17:56,060 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:56,060 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132486705] [2019-11-07 04:17:56,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:56,818 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-07 04:17:56,819 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132486705] [2019-11-07 04:17:56,819 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712524700] [2019-11-07 04:17:56,819 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 [2019-11-07 04:17:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:57,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 2898 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:17:57,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:17:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:57,777 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:17:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:58,051 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1899195929] [2019-11-07 04:17:58,100 INFO L159 IcfgInterpreter]: Started Sifa with 135 locations of interest [2019-11-07 04:17:58,101 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:17:58,113 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:17:58,119 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:17:58,120 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs