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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:14:32,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:14:32,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:14:32,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:14:32,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:14:32,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:14:32,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:14:32,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:14:32,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:14:32,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:14:32,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:14:32,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:14:32,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:14:32,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:14:32,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:14:32,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:14:32,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:14:32,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:14:32,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:14:32,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:14:32,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:14:32,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:14:32,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:14:32,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:14:32,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:14:32,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:14:32,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:14:32,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:14:32,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:14:32,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:14:32,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:14:32,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:14:32,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:14:32,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:14:32,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:14:32,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:14:32,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:14:32,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:14:32,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:14:32,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:14:32,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:14:32,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:14:32,946 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:14:32,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:14:32,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:14:32,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:14:32,950 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:14:32,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:14:32,950 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:14:32,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:14:32,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:14:32,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:14:32,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:14:32,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:14:32,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:14:32,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:14:32,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:14:32,956 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:14:32,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:14:32,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:14:32,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:14:32,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:14:32,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:14:32,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:14:32,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:14:32,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:14:32,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:14:32,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:14:32,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:14:32,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:14:32,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:14:33,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:14:33,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:14:33,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:14:33,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:14:33,233 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:14:33,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product33.cil.c [2019-10-13 21:14:33,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2dc97e3/cf69e65187e14d008950c6a2921e98ad/FLAG301d07deb [2019-10-13 21:14:33,959 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:14:33,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product33.cil.c [2019-10-13 21:14:33,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2dc97e3/cf69e65187e14d008950c6a2921e98ad/FLAG301d07deb [2019-10-13 21:14:34,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2dc97e3/cf69e65187e14d008950c6a2921e98ad [2019-10-13 21:14:34,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:14:34,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:14:34,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:34,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:14:34,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:14:34,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:34" (1/1) ... [2019-10-13 21:14:34,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174a7eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:34, skipping insertion in model container [2019-10-13 21:14:34,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:34" (1/1) ... [2019-10-13 21:14:34,230 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:14:34,317 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:14:35,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:35,121 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:14:35,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:35,367 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:14:35,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:35 WrapperNode [2019-10-13 21:14:35,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:35,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:14:35,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:14:35,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:14:35,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:35" (1/1) ... [2019-10-13 21:14:35,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:35" (1/1) ... [2019-10-13 21:14:35,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:35" (1/1) ... [2019-10-13 21:14:35,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:35" (1/1) ... [2019-10-13 21:14:35,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:35" (1/1) ... [2019-10-13 21:14:35,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:35" (1/1) ... [2019-10-13 21:14:35,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:35" (1/1) ... [2019-10-13 21:14:35,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:14:35,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:14:35,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:14:35,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:14:35,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:14:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:14:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:14:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:14:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 21:14:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 21:14:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-13 21:14:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 21:14:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 21:14:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 21:14:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 21:14:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 21:14:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 21:14:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:14:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:14:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:14:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:14:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:14:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:14:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:14:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:14:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 21:14:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 21:14:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 21:14:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 21:14:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 21:14:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 21:14:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 21:14:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 21:14:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 21:14:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 21:14:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 21:14:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 21:14:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 21:14:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 21:14:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 21:14:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 21:14:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 21:14:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 21:14:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 21:14:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 21:14:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 21:14:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 21:14:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 21:14:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 21:14:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 21:14:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 21:14:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 21:14:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 21:14:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 21:14:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 21:14:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 21:14:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 21:14:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 21:14:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 21:14:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 21:14:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 21:14:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 21:14:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 21:14:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 21:14:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 21:14:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 21:14:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 21:14:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 21:14:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 21:14:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 21:14:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 21:14:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 21:14:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 21:14:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 21:14:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 21:14:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 21:14:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 21:14:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 21:14:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 21:14:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 21:14:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 21:14:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 21:14:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 21:14:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 21:14:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 21:14:35,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:14:35,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:14:35,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 21:14:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 21:14:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 21:14:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 21:14:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 21:14:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 21:14:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 21:14:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 21:14:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 21:14:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 21:14:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 21:14:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 21:14:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 21:14:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 21:14:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 21:14:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 21:14:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 21:14:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 21:14:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 21:14:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 21:14:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 21:14:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 21:14:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 21:14:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 21:14:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 21:14:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 21:14:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 21:14:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 21:14:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 21:14:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 21:14:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 21:14:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 21:14:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:14:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:14:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:14:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:14:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 21:14:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:14:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 21:14:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 21:14:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 21:14:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 21:14:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 21:14:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 21:14:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 21:14:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 21:14:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 21:14:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 21:14:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 21:14:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 21:14:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 21:14:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 21:14:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 21:14:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-13 21:14:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 21:14:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 21:14:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:14:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:14:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:14:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:14:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:14:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:14:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:14:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:14:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:14:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:14:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:14:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:14:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 21:14:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 21:14:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 21:14:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 21:14:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 21:14:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 21:14:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 21:14:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 21:14:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 21:14:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 21:14:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:14:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:14:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:14:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:14:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:14:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 21:14:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 21:14:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 21:14:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 21:14:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 21:14:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 21:14:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 21:14:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 21:14:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 21:14:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 21:14:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 21:14:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 21:14:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 21:14:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 21:14:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 21:14:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 21:14:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 21:14:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 21:14:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 21:14:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 21:14:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 21:14:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 21:14:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 21:14:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 21:14:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 21:14:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 21:14:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 21:14:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 21:14:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 21:14:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 21:14:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 21:14:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 21:14:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 21:14:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 21:14:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 21:14:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 21:14:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 21:14:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 21:14:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 21:14:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 21:14:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 21:14:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 21:14:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 21:14:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 21:14:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 21:14:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 21:14:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 21:14:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 21:14:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 21:14:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 21:14:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 21:14:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 21:14:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 21:14:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 21:14:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 21:14:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 21:14:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 21:14:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 21:14:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 21:14:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 21:14:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 21:14:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 21:14:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:14:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:14:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 21:14:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 21:14:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 21:14:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 21:14:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 21:14:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 21:14:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 21:14:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 21:14:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 21:14:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 21:14:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 21:14:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:14:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:14:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:14:37,837 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:14:37,838 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 21:14:37,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:37 BoogieIcfgContainer [2019-10-13 21:14:37,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:14:37,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:14:37,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:14:37,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:14:37,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:14:34" (1/3) ... [2019-10-13 21:14:37,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9493333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:37, skipping insertion in model container [2019-10-13 21:14:37,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:35" (2/3) ... [2019-10-13 21:14:37,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9493333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:37, skipping insertion in model container [2019-10-13 21:14:37,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:37" (3/3) ... [2019-10-13 21:14:37,850 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product33.cil.c [2019-10-13 21:14:37,866 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:14:37,880 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:14:37,892 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:14:37,934 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:14:37,934 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:14:37,934 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:14:37,934 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:14:37,935 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:14:37,937 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:14:37,937 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:14:37,938 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:14:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states. [2019-10-13 21:14:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-13 21:14:38,010 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:38,012 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:38,014 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:38,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:38,020 INFO L82 PathProgramCache]: Analyzing trace with hash 855060391, now seen corresponding path program 1 times [2019-10-13 21:14:38,030 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:38,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323925803] [2019-10-13 21:14:38,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:38,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:38,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:38,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323925803] [2019-10-13 21:14:38,741 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:38,741 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:14:38,741 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301240215] [2019-10-13 21:14:38,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:14:38,748 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:38,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:14:38,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:14:38,765 INFO L87 Difference]: Start difference. First operand 590 states. Second operand 2 states. [2019-10-13 21:14:38,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:38,864 INFO L93 Difference]: Finished difference Result 911 states and 1196 transitions. [2019-10-13 21:14:38,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:14:38,869 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-10-13 21:14:38,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:38,910 INFO L225 Difference]: With dead ends: 911 [2019-10-13 21:14:38,911 INFO L226 Difference]: Without dead ends: 567 [2019-10-13 21:14:38,925 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:14:38,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2019-10-13 21:14:39,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2019-10-13 21:14:39,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2019-10-13 21:14:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 749 transitions. [2019-10-13 21:14:39,040 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 749 transitions. Word has length 158 [2019-10-13 21:14:39,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:39,042 INFO L462 AbstractCegarLoop]: Abstraction has 567 states and 749 transitions. [2019-10-13 21:14:39,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:14:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 749 transitions. [2019-10-13 21:14:39,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-13 21:14:39,047 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:39,048 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:39,048 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:39,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:39,049 INFO L82 PathProgramCache]: Analyzing trace with hash -66196826, now seen corresponding path program 1 times [2019-10-13 21:14:39,049 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:39,049 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895542292] [2019-10-13 21:14:39,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:39,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:39,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:39,320 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:39,321 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895542292] [2019-10-13 21:14:39,321 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:39,322 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:39,322 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566665408] [2019-10-13 21:14:39,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:39,331 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:39,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:39,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:39,332 INFO L87 Difference]: Start difference. First operand 567 states and 749 transitions. Second operand 3 states. [2019-10-13 21:14:39,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:39,417 INFO L93 Difference]: Finished difference Result 894 states and 1164 transitions. [2019-10-13 21:14:39,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:39,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-13 21:14:39,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:39,424 INFO L225 Difference]: With dead ends: 894 [2019-10-13 21:14:39,424 INFO L226 Difference]: Without dead ends: 570 [2019-10-13 21:14:39,426 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:39,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2019-10-13 21:14:39,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 569. [2019-10-13 21:14:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2019-10-13 21:14:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 751 transitions. [2019-10-13 21:14:39,476 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 751 transitions. Word has length 159 [2019-10-13 21:14:39,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:39,479 INFO L462 AbstractCegarLoop]: Abstraction has 569 states and 751 transitions. [2019-10-13 21:14:39,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 751 transitions. [2019-10-13 21:14:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-13 21:14:39,484 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:39,484 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:39,484 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:39,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:39,485 INFO L82 PathProgramCache]: Analyzing trace with hash -868266921, now seen corresponding path program 1 times [2019-10-13 21:14:39,485 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:39,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694951523] [2019-10-13 21:14:39,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:39,486 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:39,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:39,715 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694951523] [2019-10-13 21:14:39,715 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:39,716 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:39,716 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620130019] [2019-10-13 21:14:39,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:39,717 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:39,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:39,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:39,717 INFO L87 Difference]: Start difference. First operand 569 states and 751 transitions. Second operand 3 states. [2019-10-13 21:14:39,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:39,755 INFO L93 Difference]: Finished difference Result 1116 states and 1503 transitions. [2019-10-13 21:14:39,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:39,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-13 21:14:39,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:39,761 INFO L225 Difference]: With dead ends: 1116 [2019-10-13 21:14:39,761 INFO L226 Difference]: Without dead ends: 612 [2019-10-13 21:14:39,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:39,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2019-10-13 21:14:39,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 611. [2019-10-13 21:14:39,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2019-10-13 21:14:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 823 transitions. [2019-10-13 21:14:39,793 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 823 transitions. Word has length 171 [2019-10-13 21:14:39,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:39,793 INFO L462 AbstractCegarLoop]: Abstraction has 611 states and 823 transitions. [2019-10-13 21:14:39,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:39,793 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 823 transitions. [2019-10-13 21:14:39,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-13 21:14:39,797 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:39,797 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:39,798 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:39,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:39,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1221959654, now seen corresponding path program 1 times [2019-10-13 21:14:39,798 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:39,799 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519873801] [2019-10-13 21:14:39,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:39,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:39,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:40,098 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519873801] [2019-10-13 21:14:40,099 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:40,099 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:40,099 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647991071] [2019-10-13 21:14:40,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:40,100 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:40,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:40,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:40,101 INFO L87 Difference]: Start difference. First operand 611 states and 823 transitions. Second operand 3 states. [2019-10-13 21:14:40,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:40,172 INFO L93 Difference]: Finished difference Result 1239 states and 1714 transitions. [2019-10-13 21:14:40,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:40,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-13 21:14:40,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:40,180 INFO L225 Difference]: With dead ends: 1239 [2019-10-13 21:14:40,180 INFO L226 Difference]: Without dead ends: 693 [2019-10-13 21:14:40,183 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:40,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2019-10-13 21:14:40,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 692. [2019-10-13 21:14:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2019-10-13 21:14:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 961 transitions. [2019-10-13 21:14:40,235 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 961 transitions. Word has length 172 [2019-10-13 21:14:40,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:40,236 INFO L462 AbstractCegarLoop]: Abstraction has 692 states and 961 transitions. [2019-10-13 21:14:40,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 961 transitions. [2019-10-13 21:14:40,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-13 21:14:40,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:40,244 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-13 21:14:40,244 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:40,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:40,244 INFO L82 PathProgramCache]: Analyzing trace with hash 946259743, now seen corresponding path program 1 times [2019-10-13 21:14:40,245 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:40,245 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608655745] [2019-10-13 21:14:40,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:40,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:40,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 21:14:41,783 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608655745] [2019-10-13 21:14:41,783 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:41,783 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2019-10-13 21:14:41,783 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616885023] [2019-10-13 21:14:41,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-10-13 21:14:41,784 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:41,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-10-13 21:14:41,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1717, Unknown=0, NotChecked=0, Total=1806 [2019-10-13 21:14:41,786 INFO L87 Difference]: Start difference. First operand 692 states and 961 transitions. Second operand 43 states. [2019-10-13 21:14:51,176 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2019-10-13 21:14:53,818 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 16