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_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:15:18,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:15:18,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:15:18,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:15:18,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:15:18,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:15:18,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:15:18,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:15:18,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:15:18,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:15:18,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:15:18,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:15:18,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:15:18,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:15:18,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:15:18,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:15:18,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:15:18,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:15:18,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:15:18,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:15:18,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:15:18,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:15:18,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:15:18,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:15:18,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:15:18,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:15:18,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:15:18,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:15:18,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:15:18,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:15:18,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:15:18,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:15:18,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:15:18,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:15:18,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:15:18,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:15:18,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:15:18,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:15:18,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:15:18,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:15:18,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:15:18,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:15:18,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:15:18,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:15:18,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:15:18,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:15:18,969 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:15:18,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:15:18,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:15:18,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:15:18,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:15:18,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:15:18,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:15:18,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:15:18,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:15:18,971 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:15:18,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:15:18,972 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:15:18,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:15:18,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:15:18,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:15:18,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:15:18,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:15:18,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:15:18,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:15:18,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:15:18,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:15:18,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:15:18,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:15:18,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:15:18,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:15:19,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:15:19,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:15:19,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:15:19,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:15:19,280 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:15:19,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_productSimulator.cil.c [2019-10-15 03:15:19,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621b4c352/7072ee42e62d40888c916275031302a6/FLAGc7d964a47 [2019-10-15 03:15:20,001 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:15:20,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_productSimulator.cil.c [2019-10-15 03:15:20,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621b4c352/7072ee42e62d40888c916275031302a6/FLAGc7d964a47 [2019-10-15 03:15:20,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621b4c352/7072ee42e62d40888c916275031302a6 [2019-10-15 03:15:20,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:15:20,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:15:20,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:15:20,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:15:20,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:15:20,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:15:20" (1/1) ... [2019-10-15 03:15:20,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268d172d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:20, skipping insertion in model container [2019-10-15 03:15:20,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:15:20" (1/1) ... [2019-10-15 03:15:20,257 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:15:20,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:15:21,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:15:21,167 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:15:21,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:15:21,519 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:15:21,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:21 WrapperNode [2019-10-15 03:15:21,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:15:21,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:15:21,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:15:21,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:15:21,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:21" (1/1) ... [2019-10-15 03:15:21,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:21" (1/1) ... [2019-10-15 03:15:21,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:21" (1/1) ... [2019-10-15 03:15:21,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:21" (1/1) ... [2019-10-15 03:15:21,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:21" (1/1) ... [2019-10-15 03:15:21,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:21" (1/1) ... [2019-10-15 03:15:21,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:21" (1/1) ... [2019-10-15 03:15:21,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:15:21,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:15:21,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:15:21,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:15:21,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:15:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:15:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:15:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:15:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:15:21,818 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:15:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:15:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 03:15:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 03:15:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 03:15:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 03:15:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 03:15:21,821 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 03:15:21,821 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:15:21,822 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:15:21,822 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 03:15:21,822 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 03:15:21,824 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 03:15:21,825 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 03:15:21,825 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 03:15:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 03:15:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 03:15:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 03:15:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:15:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:15:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:15:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:15:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:15:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:15:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:15:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:15:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:15:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:15:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:15:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:15:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:15:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:15:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:15:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:15:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:15:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:15:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:15:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:15:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:15:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:15:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:15:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:15:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:15:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:15:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:15:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:15:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:15:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:15:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:15:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:15:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:15:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:15:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:15:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:15:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:15:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:15:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:15:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:15:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:15:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:15:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:15:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:15:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:15:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:15:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:15:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:15:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:15:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:15:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:15:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:15:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:15:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:15:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:15:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:15:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:15:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:15:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:15:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:15:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:15:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:15:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:15:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:15:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:15:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:15:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:15:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:15:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:15:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 03:15:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 03:15:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:15:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 03:15:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 03:15:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:15:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 03:15:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 03:15:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:15:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:15:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:15:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:15:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:15:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:15:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:15:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:15:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:15:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:15:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:15:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:15:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:15:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:15:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:15:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:15:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:15:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 03:15:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 03:15:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 03:15:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 03:15:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 03:15:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 03:15:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:15:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 03:15:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 03:15:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:15:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:15:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:15:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:15:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:15:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:15:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:15:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:15:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:15:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-15 03:15:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:15:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:15:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:15:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:15:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:15:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:15:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:15:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:15:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:15:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:15:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:15:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:15:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:15:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:15:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:15:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:15:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:15:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:15:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:15:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:15:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:15:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:15:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:15:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:15:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:15:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:15:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:15:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:15:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:15:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:15:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:15:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:15:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:15:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:15:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:15:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:15:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:15:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:15:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:15:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:15:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:15:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:15:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:15:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:15:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:15:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:15:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:15:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:15:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:15:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:15:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:15:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:15:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:15:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:15:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:15:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:15:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:15:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:15:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:15:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:15:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-15 03:15:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 03:15:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 03:15:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 03:15:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 03:15:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 03:15:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 03:15:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 03:15:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 03:15:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 03:15:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 03:15:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 03:15:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 03:15:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 03:15:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 03:15:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:15:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:15:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:15:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:15:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:15:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:15:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:15:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:15:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:15:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:15:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:15:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:15:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:15:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:15:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:15:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:15:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:15:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:15:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:15:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:15:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:15:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:15:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:15:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:15:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:15:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:15:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:15:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:15:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:15:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:15:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:15:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:15:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:15:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:15:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:15:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:15:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:15:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:15:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:15:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:15:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:15:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 03:15:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 03:15:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 03:15:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 03:15:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 03:15:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 03:15:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:15:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 03:15:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 03:15:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 03:15:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 03:15:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 03:15:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 03:15:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 03:15:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 03:15:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:15:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:15:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:15:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:15:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:15:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:15:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:15:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:15:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:15:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:15:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:15:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:15:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:15:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:15:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:15:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:15:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:15:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:15:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:15:26,525 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:15:26,525 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:15:26,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:15:26 BoogieIcfgContainer [2019-10-15 03:15:26,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:15:26,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:15:26,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:15:26,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:15:26,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:15:20" (1/3) ... [2019-10-15 03:15:26,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720092d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:15:26, skipping insertion in model container [2019-10-15 03:15:26,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:21" (2/3) ... [2019-10-15 03:15:26,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720092d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:15:26, skipping insertion in model container [2019-10-15 03:15:26,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:15:26" (3/3) ... [2019-10-15 03:15:26,535 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_productSimulator.cil.c [2019-10-15 03:15:26,546 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:15:26,559 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:15:26,571 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:15:26,602 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:15:26,602 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:15:26,602 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:15:26,602 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:15:26,602 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:15:26,602 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:15:26,603 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:15:26,603 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:15:26,634 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states. [2019-10-15 03:15:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-15 03:15:26,652 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:26,653 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:26,655 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:26,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:26,662 INFO L82 PathProgramCache]: Analyzing trace with hash -37475235, now seen corresponding path program 1 times [2019-10-15 03:15:26,672 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:26,672 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468060816] [2019-10-15 03:15:26,672 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:26,673 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:26,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:15:27,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468060816] [2019-10-15 03:15:27,399 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:27,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:15:27,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080015838] [2019-10-15 03:15:27,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:15:27,409 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:27,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:15:27,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:15:27,426 INFO L87 Difference]: Start difference. First operand 607 states. Second operand 6 states. [2019-10-15 03:15:27,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:27,697 INFO L93 Difference]: Finished difference Result 1136 states and 1426 transitions. [2019-10-15 03:15:27,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:15:27,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2019-10-15 03:15:27,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:27,732 INFO L225 Difference]: With dead ends: 1136 [2019-10-15 03:15:27,732 INFO L226 Difference]: Without dead ends: 580 [2019-10-15 03:15:27,741 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:15:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-10-15 03:15:27,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2019-10-15 03:15:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2019-10-15 03:15:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 715 transitions. [2019-10-15 03:15:27,847 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 715 transitions. Word has length 144 [2019-10-15 03:15:27,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:27,849 INFO L462 AbstractCegarLoop]: Abstraction has 580 states and 715 transitions. [2019-10-15 03:15:27,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:15:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 715 transitions. [2019-10-15 03:15:27,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-15 03:15:27,854 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:27,855 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:27,855 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:27,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:27,856 INFO L82 PathProgramCache]: Analyzing trace with hash -75929238, now seen corresponding path program 1 times [2019-10-15 03:15:27,856 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:27,856 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209479610] [2019-10-15 03:15:27,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:27,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:27,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:15:28,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209479610] [2019-10-15 03:15:28,072 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:28,072 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:15:28,072 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552159076] [2019-10-15 03:15:28,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:15:28,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:28,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:15:28,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:15:28,079 INFO L87 Difference]: Start difference. First operand 580 states and 715 transitions. Second operand 4 states. [2019-10-15 03:15:28,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:28,941 INFO L93 Difference]: Finished difference Result 1122 states and 1404 transitions. [2019-10-15 03:15:28,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:15:28,942 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2019-10-15 03:15:28,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:28,947 INFO L225 Difference]: With dead ends: 1122 [2019-10-15 03:15:28,947 INFO L226 Difference]: Without dead ends: 580 [2019-10-15 03:15:28,950 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:15:28,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-10-15 03:15:29,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2019-10-15 03:15:29,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2019-10-15 03:15:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 708 transitions. [2019-10-15 03:15:29,032 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 708 transitions. Word has length 150 [2019-10-15 03:15:29,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:29,034 INFO L462 AbstractCegarLoop]: Abstraction has 580 states and 708 transitions. [2019-10-15 03:15:29,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:15:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 708 transitions. [2019-10-15 03:15:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-15 03:15:29,041 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:29,043 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:29,043 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:29,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:29,045 INFO L82 PathProgramCache]: Analyzing trace with hash 953045078, now seen corresponding path program 1 times [2019-10-15 03:15:29,045 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:29,046 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322642384] [2019-10-15 03:15:29,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:29,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:29,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-15 03:15:29,352 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322642384] [2019-10-15 03:15:29,352 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:29,352 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:15:29,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125496195] [2019-10-15 03:15:29,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:15:29,354 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:29,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:15:29,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:29,355 INFO L87 Difference]: Start difference. First operand 580 states and 708 transitions. Second operand 3 states. [2019-10-15 03:15:29,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:29,549 INFO L93 Difference]: Finished difference Result 1116 states and 1382 transitions. [2019-10-15 03:15:29,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:15:29,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-10-15 03:15:29,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:29,558 INFO L225 Difference]: With dead ends: 1116 [2019-10-15 03:15:29,558 INFO L226 Difference]: Without dead ends: 578 [2019-10-15 03:15:29,562 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:29,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2019-10-15 03:15:29,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2019-10-15 03:15:29,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2019-10-15 03:15:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 701 transitions. [2019-10-15 03:15:29,624 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 701 transitions. Word has length 163 [2019-10-15 03:15:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:29,625 INFO L462 AbstractCegarLoop]: Abstraction has 578 states and 701 transitions. [2019-10-15 03:15:29,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:15:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 701 transitions. [2019-10-15 03:15:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-15 03:15:29,639 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:29,640 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:29,640 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:29,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:29,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1488083693, now seen corresponding path program 1 times [2019-10-15 03:15:29,641 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:29,642 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561962752] [2019-10-15 03:15:29,642 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:29,642 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:29,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-15 03:15:29,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561962752] [2019-10-15 03:15:29,878 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:29,878 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:15:29,878 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637983684] [2019-10-15 03:15:29,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:15:29,879 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:29,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:15:29,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:15:29,880 INFO L87 Difference]: Start difference. First operand 578 states and 701 transitions. Second operand 4 states. [2019-10-15 03:15:30,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:30,662 INFO L93 Difference]: Finished difference Result 1101 states and 1333 transitions. [2019-10-15 03:15:30,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:15:30,664 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2019-10-15 03:15:30,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:30,671 INFO L225 Difference]: With dead ends: 1101 [2019-10-15 03:15:30,672 INFO L226 Difference]: Without dead ends: 583 [2019-10-15 03:15:30,674 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:15:30,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-15 03:15:30,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 577. [2019-10-15 03:15:30,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-15 03:15:30,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 685 transitions. [2019-10-15 03:15:30,704 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 685 transitions. Word has length 164 [2019-10-15 03:15:30,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:30,704 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 685 transitions. [2019-10-15 03:15:30,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:15:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 685 transitions. [2019-10-15 03:15:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-15 03:15:30,707 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:30,708 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:30,708 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:30,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:30,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1836470284, now seen corresponding path program 1 times [2019-10-15 03:15:30,709 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:30,709 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068962056] [2019-10-15 03:15:30,709 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:30,709 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:30,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:30,879 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:15:30,880 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068962056] [2019-10-15 03:15:30,880 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:30,880 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:15:30,881 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907688173] [2019-10-15 03:15:30,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:15:30,881 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:30,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:15:30,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:30,884 INFO L87 Difference]: Start difference. First operand 577 states and 685 transitions. Second operand 3 states. [2019-10-15 03:15:30,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:30,932 INFO L93 Difference]: Finished difference Result 907 states and 1071 transitions. [2019-10-15 03:15:30,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:15:30,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-15 03:15:30,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:30,943 INFO L225 Difference]: With dead ends: 907 [2019-10-15 03:15:30,943 INFO L226 Difference]: Without dead ends: 579 [2019-10-15 03:15:30,945 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:30,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-15 03:15:30,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-15 03:15:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-15 03:15:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 687 transitions. [2019-10-15 03:15:30,992 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 687 transitions. Word has length 185 [2019-10-15 03:15:30,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:30,993 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 687 transitions. [2019-10-15 03:15:30,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:15:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 687 transitions. [2019-10-15 03:15:30,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-15 03:15:30,998 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:30,999 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:30,999 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:30,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:31,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1720370243, now seen corresponding path program 1 times [2019-10-15 03:15:31,000 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:31,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259825940] [2019-10-15 03:15:31,002 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:31,002 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:31,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:15:31,280 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259825940] [2019-10-15 03:15:31,281 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:31,282 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:15:31,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055645639] [2019-10-15 03:15:31,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:15:31,283 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:31,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:15:31,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:31,284 INFO L87 Difference]: Start difference. First operand 579 states and 687 transitions. Second operand 3 states. [2019-10-15 03:15:31,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:31,348 INFO L93 Difference]: Finished difference Result 1104 states and 1342 transitions. [2019-10-15 03:15:31,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:15:31,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-10-15 03:15:31,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:31,355 INFO L225 Difference]: With dead ends: 1104 [2019-10-15 03:15:31,355 INFO L226 Difference]: Without dead ends: 633 [2019-10-15 03:15:31,358 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:31,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-10-15 03:15:31,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 632. [2019-10-15 03:15:31,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2019-10-15 03:15:31,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 774 transitions. [2019-10-15 03:15:31,534 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 774 transitions. Word has length 192 [2019-10-15 03:15:31,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:31,535 INFO L462 AbstractCegarLoop]: Abstraction has 632 states and 774 transitions. [2019-10-15 03:15:31,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:15:31,536 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 774 transitions. [2019-10-15 03:15:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-15 03:15:31,542 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:31,542 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:31,543 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:31,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:31,543 INFO L82 PathProgramCache]: Analyzing trace with hash -603718544, now seen corresponding path program 1 times [2019-10-15 03:15:31,544 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:31,544 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121125790] [2019-10-15 03:15:31,544 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:31,545 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:31,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-15 03:15:32,186 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121125790] [2019-10-15 03:15:32,186 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:32,186 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-15 03:15:32,186 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030439441] [2019-10-15 03:15:32,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-15 03:15:32,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:32,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-15 03:15:32,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2019-10-15 03:15:32,188 INFO L87 Difference]: Start difference. First operand 632 states and 774 transitions. Second operand 25 states. [2019-10-15 03:15:47,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:47,193 INFO L93 Difference]: Finished difference Result 1314 states and 1583 transitions. [2019-10-15 03:15:47,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-15 03:15:47,194 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 193 [2019-10-15 03:15:47,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:47,202 INFO L225 Difference]: With dead ends: 1314 [2019-10-15 03:15:47,202 INFO L226 Difference]: Without dead ends: 988 [2019-10-15 03:15:47,205 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=235, Invalid=2215, Unknown=0, NotChecked=0, Total=2450 [2019-10-15 03:15:47,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2019-10-15 03:15:47,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 979. [2019-10-15 03:15:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 979 states. [2019-10-15 03:15:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1185 transitions. [2019-10-15 03:15:47,274 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1185 transitions. Word has length 193 [2019-10-15 03:15:47,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:47,278 INFO L462 AbstractCegarLoop]: Abstraction has 979 states and 1185 transitions. [2019-10-15 03:15:47,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-15 03:15:47,278 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1185 transitions. [2019-10-15 03:15:47,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-15 03:15:47,283 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:47,283 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:47,283 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:47,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:47,284 INFO L82 PathProgramCache]: Analyzing trace with hash 956600800, now seen corresponding path program 1 times [2019-10-15 03:15:47,284 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:47,284 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086791781] [2019-10-15 03:15:47,284 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:47,285 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:47,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:48,040 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-15 03:15:48,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086791781] [2019-10-15 03:15:48,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:48,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-15 03:15:48,041 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938581383] [2019-10-15 03:15:48,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-15 03:15:48,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:48,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-15 03:15:48,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2019-10-15 03:15:48,042 INFO L87 Difference]: Start difference. First operand 979 states and 1185 transitions. Second operand 27 states. [2019-10-15 03:15:50,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:50,682 INFO L93 Difference]: Finished difference Result 1073 states and 1301 transitions. [2019-10-15 03:15:50,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-10-15 03:15:50,683 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 199 [2019-10-15 03:15:50,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:50,692 INFO L225 Difference]: With dead ends: 1073 [2019-10-15 03:15:50,692 INFO L226 Difference]: Without dead ends: 1064 [2019-10-15 03:15:50,695 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=247, Invalid=2723, Unknown=0, NotChecked=0, Total=2970 [2019-10-15 03:15:50,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2019-10-15 03:15:50,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1057. [2019-10-15 03:15:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2019-10-15 03:15:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1283 transitions. [2019-10-15 03:15:50,759 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1283 transitions. Word has length 199 [2019-10-15 03:15:50,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:50,759 INFO L462 AbstractCegarLoop]: Abstraction has 1057 states and 1283 transitions. [2019-10-15 03:15:50,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-15 03:15:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1283 transitions. [2019-10-15 03:15:50,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-15 03:15:50,763 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:50,764 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:50,764 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:50,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:50,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1166610870, now seen corresponding path program 1 times [2019-10-15 03:15:50,765 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:50,765 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979120612] [2019-10-15 03:15:50,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:50,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:50,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:51,368 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-15 03:15:51,368 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979120612] [2019-10-15 03:15:51,368 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:51,368 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-15 03:15:51,369 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236644438] [2019-10-15 03:15:51,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-15 03:15:51,370 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:51,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-15 03:15:51,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2019-10-15 03:15:51,371 INFO L87 Difference]: Start difference. First operand 1057 states and 1283 transitions. Second operand 27 states.