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_spec0_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:11:17,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:11:17,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:11:17,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:11:17,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:11:17,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:11:17,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:11:17,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:11:17,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:11:17,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:11:17,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:11:17,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:11:17,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:11:17,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:11:17,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:11:17,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:11:17,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:11:17,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:11:17,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:11:17,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:11:17,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:11:17,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:11:17,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:11:17,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:11:17,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:11:17,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:11:17,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:11:17,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:11:17,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:11:17,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:11:17,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:11:17,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:11:17,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:11:17,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:11:17,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:11:17,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:11:17,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:11:17,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:11:17,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:11:17,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:11:17,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:11:17,862 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 03:11:17,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:11:17,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:11:17,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:11:17,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:11:17,880 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:11:17,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:11:17,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:11:17,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:11:17,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:11:17,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:11:17,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:11:17,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:11:17,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:11:17,882 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:11:17,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:11:17,882 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:11:17,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:11:17,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:11:17,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:11:17,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:11:17,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:11:17,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:11:17,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:11:17,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:11:17,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:11:17,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:11:17,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:11:17,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:11:17,886 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 03:11:18,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:11:18,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:11:18,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:11:18,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:11:18,202 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:11:18,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_productSimulator.cil.c [2019-10-15 03:11:18,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57cb908a2/575b06eaf0764cf0957b3247abef2653/FLAG995a3c907 [2019-10-15 03:11:18,979 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:11:18,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_productSimulator.cil.c [2019-10-15 03:11:19,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57cb908a2/575b06eaf0764cf0957b3247abef2653/FLAG995a3c907 [2019-10-15 03:11:19,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57cb908a2/575b06eaf0764cf0957b3247abef2653 [2019-10-15 03:11:19,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:11:19,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:11:19,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:11:19,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:11:19,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:11:19,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:11:19" (1/1) ... [2019-10-15 03:11:19,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aa9a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:19, skipping insertion in model container [2019-10-15 03:11:19,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:11:19" (1/1) ... [2019-10-15 03:11:19,237 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:11:19,330 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:11:20,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:11:20,144 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:11:20,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:11:20,470 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:11:20,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:20 WrapperNode [2019-10-15 03:11:20,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:11:20,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:11:20,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:11:20,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:11:20,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:20" (1/1) ... [2019-10-15 03:11:20,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:20" (1/1) ... [2019-10-15 03:11:20,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:20" (1/1) ... [2019-10-15 03:11:20,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:20" (1/1) ... [2019-10-15 03:11:20,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:20" (1/1) ... [2019-10-15 03:11:20,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:20" (1/1) ... [2019-10-15 03:11:20,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:20" (1/1) ... [2019-10-15 03:11:20,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:11:20,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:11:20,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:11:20,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:11:20,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:20" (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 03:11:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:11:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:11:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:11:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:11:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:11:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:11:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:11:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:11:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 03:11:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 03:11:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 03:11:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 03:11:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 03:11:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 03:11:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:11:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:11:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 03:11:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 03:11:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 03:11:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 03:11:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 03:11:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 03:11:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 03:11:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 03:11:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:11:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:11:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:11:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:11:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:11:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:11:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:11:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:11:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:11:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:11:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:11:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:11:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:11:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:11:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:11:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:11:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:11:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:11:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:11:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:11:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:11:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:11:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:11:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:11:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:11:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:11:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:11:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:11:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:11:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:11:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:11:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:11:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:11:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:11:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:11:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:11:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:11:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:11:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:11:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:11:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:11:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:11:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:11:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:11:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:11:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:11:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:11:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:11:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:11:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:11:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:11:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:11:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:11:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:11:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:11:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:11:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:11:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:11:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:11:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:11:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:11:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:11:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:11:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:11:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:11:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:11:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 03:11:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 03:11:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:11:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 03:11:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 03:11:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:11:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 03:11:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 03:11:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:11:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:11:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:11:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:11:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:11:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:11:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:11:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:11:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:11:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:11:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:11:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:11:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:11:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:11:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:11:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:11:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:11:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:11:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 03:11:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 03:11:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 03:11:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 03:11:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 03:11:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 03:11:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 03:11:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:11:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 03:11:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 03:11:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:11:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:11:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:11:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:11:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:11:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:11:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:11:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:11:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:11:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:11:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:11:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:11:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:11:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:11:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:11:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:11:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:11:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:11:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:11:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:11:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:11:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:11:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:11:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:11:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:11:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:11:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:11:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:11:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:11:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:11:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:11:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:11:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:11:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:11:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:11:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:11:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:11:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:11:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:11:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:11:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:11:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:11:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:11:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:11:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:11:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:11:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:11:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:11:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:11:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:11:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:11:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:11:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:11:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:11:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:11:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:11:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:11:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:11:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:11:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:11:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 03:11:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 03:11:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 03:11:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 03:11:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 03:11:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 03:11:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 03:11:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 03:11:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 03:11:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 03:11:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 03:11:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 03:11:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 03:11:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 03:11:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 03:11:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:11:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:11:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:11:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:11:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:11:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:11:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:11:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:11:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:11:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:11:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:11:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:11:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:11:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:11:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:11:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:11:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:11:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:11:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:11:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:11:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:11:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:11:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:11:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:11:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:11:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:11:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:11:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:11:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:11:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:11:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:11:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:11:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:11:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:11:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:11:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:11:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:11:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:11:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:11:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:11:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:11:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:11:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:11:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:11:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:11:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:11:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:11:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:11:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:11:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:11:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 03:11:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 03:11:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 03:11:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 03:11:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 03:11:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 03:11:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:11:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 03:11:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 03:11:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 03:11:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 03:11:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 03:11:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 03:11:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 03:11:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 03:11:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:11:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:11:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:11:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:11:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:11:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:11:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:11:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:11:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:11:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:11:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:11:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:11:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:11:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:11:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:11:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:11:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:11:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:11:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:11:25,632 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:11:25,632 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:11:25,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:11:25 BoogieIcfgContainer [2019-10-15 03:11:25,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:11:25,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:11:25,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:11:25,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:11:25,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:11:19" (1/3) ... [2019-10-15 03:11:25,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754c667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:11:25, skipping insertion in model container [2019-10-15 03:11:25,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:20" (2/3) ... [2019-10-15 03:11:25,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754c667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:11:25, skipping insertion in model container [2019-10-15 03:11:25,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:11:25" (3/3) ... [2019-10-15 03:11:25,646 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_productSimulator.cil.c [2019-10-15 03:11:25,657 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:11:25,671 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:11:25,683 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:11:25,724 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:11:25,724 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:11:25,724 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:11:25,724 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:11:25,724 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:11:25,725 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:11:25,725 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:11:25,725 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:11:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2019-10-15 03:11:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-15 03:11:25,807 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:25,808 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, 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 03:11:25,811 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:25,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:25,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1658380332, now seen corresponding path program 1 times [2019-10-15 03:11:25,828 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:25,828 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659395755] [2019-10-15 03:11:25,828 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:25,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:25,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:26,538 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 03:11:26,539 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659395755] [2019-10-15 03:11:26,540 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:26,540 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:11:26,541 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123333864] [2019-10-15 03:11:26,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:11:26,550 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:26,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:11:26,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:11:26,570 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2019-10-15 03:11:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:26,797 INFO L93 Difference]: Finished difference Result 1130 states and 1425 transitions. [2019-10-15 03:11:26,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:11:26,799 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 188 [2019-10-15 03:11:26,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:26,830 INFO L225 Difference]: With dead ends: 1130 [2019-10-15 03:11:26,830 INFO L226 Difference]: Without dead ends: 577 [2019-10-15 03:11:26,840 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 03:11:26,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-15 03:11:26,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-15 03:11:26,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-15 03:11:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 710 transitions. [2019-10-15 03:11:26,943 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 710 transitions. Word has length 188 [2019-10-15 03:11:26,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:26,946 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 710 transitions. [2019-10-15 03:11:26,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:11:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 710 transitions. [2019-10-15 03:11:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 03:11:26,953 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:26,954 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, 1, 1, 1, 1, 1, 1, 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 03:11:26,954 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:26,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:26,955 INFO L82 PathProgramCache]: Analyzing trace with hash 171863450, now seen corresponding path program 1 times [2019-10-15 03:11:26,955 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:26,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402106628] [2019-10-15 03:11:26,955 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:26,955 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:26,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:27,336 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 03:11:27,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402106628] [2019-10-15 03:11:27,337 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:27,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:27,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024987557] [2019-10-15 03:11:27,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:27,352 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:27,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:27,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:27,353 INFO L87 Difference]: Start difference. First operand 577 states and 710 transitions. Second operand 3 states. [2019-10-15 03:11:27,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:27,410 INFO L93 Difference]: Finished difference Result 908 states and 1103 transitions. [2019-10-15 03:11:27,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:27,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-15 03:11:27,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:27,423 INFO L225 Difference]: With dead ends: 908 [2019-10-15 03:11:27,423 INFO L226 Difference]: Without dead ends: 579 [2019-10-15 03:11:27,430 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 03:11:27,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-15 03:11:27,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-15 03:11:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-15 03:11:27,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 712 transitions. [2019-10-15 03:11:27,491 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 712 transitions. Word has length 194 [2019-10-15 03:11:27,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:27,493 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 712 transitions. [2019-10-15 03:11:27,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 712 transitions. [2019-10-15 03:11:27,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-15 03:11:27,502 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:27,503 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1] [2019-10-15 03:11:27,503 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:27,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:27,505 INFO L82 PathProgramCache]: Analyzing trace with hash -965390985, now seen corresponding path program 1 times [2019-10-15 03:11:27,505 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:27,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278839056] [2019-10-15 03:11:27,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:27,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:27,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:27,812 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-15 03:11:27,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278839056] [2019-10-15 03:11:27,813 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:27,813 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:11:27,814 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229734183] [2019-10-15 03:11:27,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:11:27,816 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:27,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:11:27,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:11:27,817 INFO L87 Difference]: Start difference. First operand 579 states and 712 transitions. Second operand 4 states. [2019-10-15 03:11:29,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:29,409 INFO L93 Difference]: Finished difference Result 1638 states and 2074 transitions. [2019-10-15 03:11:29,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:11:29,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2019-10-15 03:11:29,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:29,419 INFO L225 Difference]: With dead ends: 1638 [2019-10-15 03:11:29,419 INFO L226 Difference]: Without dead ends: 1092 [2019-10-15 03:11:29,422 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 03:11:29,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-10-15 03:11:29,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1089. [2019-10-15 03:11:29,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2019-10-15 03:11:29,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1323 transitions. [2019-10-15 03:11:29,512 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1323 transitions. Word has length 200 [2019-10-15 03:11:29,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:29,515 INFO L462 AbstractCegarLoop]: Abstraction has 1089 states and 1323 transitions. [2019-10-15 03:11:29,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:11:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1323 transitions. [2019-10-15 03:11:29,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 03:11:29,521 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:29,521 INFO L380 BasicCegarLoop]: trace histogram [8, 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] [2019-10-15 03:11:29,522 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:29,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:29,522 INFO L82 PathProgramCache]: Analyzing trace with hash 627214336, now seen corresponding path program 1 times [2019-10-15 03:11:29,523 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:29,523 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523169621] [2019-10-15 03:11:29,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:29,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:29,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-15 03:11:29,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523169621] [2019-10-15 03:11:29,931 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:29,931 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 03:11:29,931 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817575734] [2019-10-15 03:11:29,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:11:29,932 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:29,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:11:29,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:11:29,933 INFO L87 Difference]: Start difference. First operand 1089 states and 1323 transitions. Second operand 11 states. [2019-10-15 03:11:30,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:30,074 INFO L93 Difference]: Finished difference Result 1092 states and 1325 transitions. [2019-10-15 03:11:30,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 03:11:30,074 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2019-10-15 03:11:30,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:30,081 INFO L225 Difference]: With dead ends: 1092 [2019-10-15 03:11:30,081 INFO L226 Difference]: Without dead ends: 577 [2019-10-15 03:11:30,084 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:11:30,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-15 03:11:30,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-15 03:11:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-15 03:11:30,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 701 transitions. [2019-10-15 03:11:30,122 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 701 transitions. Word has length 194 [2019-10-15 03:11:30,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:30,123 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 701 transitions. [2019-10-15 03:11:30,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:11:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 701 transitions. [2019-10-15 03:11:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-15 03:11:30,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:30,129 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:30,130 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:30,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:30,130 INFO L82 PathProgramCache]: Analyzing trace with hash -2037449468, now seen corresponding path program 1 times [2019-10-15 03:11:30,130 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:30,131 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462106097] [2019-10-15 03:11:30,131 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:30,131 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:30,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:11:30,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462106097] [2019-10-15 03:11:30,365 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:30,366 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:30,366 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915488360] [2019-10-15 03:11:30,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:30,367 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:30,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:30,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:30,369 INFO L87 Difference]: Start difference. First operand 577 states and 701 transitions. Second operand 3 states. [2019-10-15 03:11:30,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:30,537 INFO L93 Difference]: Finished difference Result 1117 states and 1371 transitions. [2019-10-15 03:11:30,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:30,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-10-15 03:11:30,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:30,542 INFO L225 Difference]: With dead ends: 1117 [2019-10-15 03:11:30,543 INFO L226 Difference]: Without dead ends: 576 [2019-10-15 03:11:30,545 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 03:11:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-15 03:11:30,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-15 03:11:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-15 03:11:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 697 transitions. [2019-10-15 03:11:30,575 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 697 transitions. Word has length 213 [2019-10-15 03:11:30,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:30,576 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 697 transitions. [2019-10-15 03:11:30,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:30,576 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 697 transitions. [2019-10-15 03:11:30,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-15 03:11:30,580 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:30,581 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:30,581 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:30,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:30,582 INFO L82 PathProgramCache]: Analyzing trace with hash 842847211, now seen corresponding path program 1 times [2019-10-15 03:11:30,582 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:30,582 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272411406] [2019-10-15 03:11:30,582 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:30,582 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:30,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:30,914 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:11:30,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272411406] [2019-10-15 03:11:30,915 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:30,915 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:11:30,916 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702107635] [2019-10-15 03:11:30,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:11:30,917 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:30,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:11:30,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:11:30,918 INFO L87 Difference]: Start difference. First operand 576 states and 697 transitions. Second operand 4 states. [2019-10-15 03:11:31,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:31,803 INFO L93 Difference]: Finished difference Result 1091 states and 1319 transitions. [2019-10-15 03:11:31,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:11:31,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2019-10-15 03:11:31,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:31,807 INFO L225 Difference]: With dead ends: 1091 [2019-10-15 03:11:31,808 INFO L226 Difference]: Without dead ends: 575 [2019-10-15 03:11:31,810 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 03:11:31,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2019-10-15 03:11:31,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2019-10-15 03:11:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2019-10-15 03:11:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 681 transitions. [2019-10-15 03:11:31,842 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 681 transitions. Word has length 221 [2019-10-15 03:11:31,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:31,843 INFO L462 AbstractCegarLoop]: Abstraction has 575 states and 681 transitions. [2019-10-15 03:11:31,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:11:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 681 transitions. [2019-10-15 03:11:31,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-15 03:11:31,848 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:31,848 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:31,849 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:31,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:31,849 INFO L82 PathProgramCache]: Analyzing trace with hash 2093372754, now seen corresponding path program 1 times [2019-10-15 03:11:31,849 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:31,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75572344] [2019-10-15 03:11:31,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:31,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:31,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-15 03:11:32,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75572344] [2019-10-15 03:11:32,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:32,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:32,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312624748] [2019-10-15 03:11:32,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:32,080 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:32,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:32,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:32,081 INFO L87 Difference]: Start difference. First operand 575 states and 681 transitions. Second operand 3 states. [2019-10-15 03:11:32,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:32,122 INFO L93 Difference]: Finished difference Result 1096 states and 1330 transitions. [2019-10-15 03:11:32,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:32,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-10-15 03:11:32,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:32,129 INFO L225 Difference]: With dead ends: 1096 [2019-10-15 03:11:32,129 INFO L226 Difference]: Without dead ends: 629 [2019-10-15 03:11:32,132 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 03:11:32,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2019-10-15 03:11:32,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2019-10-15 03:11:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-15 03:11:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 768 transitions. [2019-10-15 03:11:32,165 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 768 transitions. Word has length 243 [2019-10-15 03:11:32,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:32,166 INFO L462 AbstractCegarLoop]: Abstraction has 628 states and 768 transitions. [2019-10-15 03:11:32,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 768 transitions. [2019-10-15 03:11:32,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-10-15 03:11:32,174 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:32,174 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:32,175 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:32,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:32,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1778956638, now seen corresponding path program 1 times [2019-10-15 03:11:32,176 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:32,176 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060095231] [2019-10-15 03:11:32,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:32,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:32,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-15 03:11:33,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060095231] [2019-10-15 03:11:33,607 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:33,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2019-10-15 03:11:33,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445214953] [2019-10-15 03:11:33,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-10-15 03:11:33,610 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:33,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-10-15 03:11:33,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1455, Unknown=0, NotChecked=0, Total=1560 [2019-10-15 03:11:33,611 INFO L87 Difference]: Start difference. First operand 628 states and 768 transitions. Second operand 40 states. [2019-10-15 03:11:53,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:53,115 INFO L93 Difference]: Finished difference Result 1357 states and 1669 transitions. [2019-10-15 03:11:53,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-10-15 03:11:53,116 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 244 [2019-10-15 03:11:53,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:53,123 INFO L225 Difference]: With dead ends: 1357 [2019-10-15 03:11:53,124 INFO L226 Difference]: Without dead ends: 1043 [2019-10-15 03:11:53,127 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=244, Invalid=4046, Unknown=0, NotChecked=0, Total=4290 [2019-10-15 03:11:53,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-10-15 03:11:53,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1028. [2019-10-15 03:11:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2019-10-15 03:11:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1261 transitions. [2019-10-15 03:11:53,197 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1261 transitions. Word has length 244 [2019-10-15 03:11:53,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:53,198 INFO L462 AbstractCegarLoop]: Abstraction has 1028 states and 1261 transitions. [2019-10-15 03:11:53,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-10-15 03:11:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1261 transitions. [2019-10-15 03:11:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-10-15 03:11:53,204 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:53,205 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:53,205 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:53,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:53,206 INFO L82 PathProgramCache]: Analyzing trace with hash -2007481284, now seen corresponding path program 1 times [2019-10-15 03:11:53,206 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:53,206 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137939730] [2019-10-15 03:11:53,206 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:53,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:53,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-15 03:11:53,563 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137939730] [2019-10-15 03:11:53,566 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:53,566 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-15 03:11:53,566 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097930099] [2019-10-15 03:11:53,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-15 03:11:53,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:53,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-15 03:11:53,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:11:53,568 INFO L87 Difference]: Start difference. First operand 1028 states and 1261 transitions. Second operand 13 states. [2019-10-15 03:11:53,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:53,678 INFO L93 Difference]: Finished difference Result 1040 states and 1276 transitions. [2019-10-15 03:11:53,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-15 03:11:53,679 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 248 [2019-10-15 03:11:53,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:53,685 INFO L225 Difference]: With dead ends: 1040 [2019-10-15 03:11:53,686 INFO L226 Difference]: Without dead ends: 1037 [2019-10-15 03:11:53,687 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2019-10-15 03:11:53,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2019-10-15 03:11:53,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2019-10-15 03:11:53,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2019-10-15 03:11:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1271 transitions. [2019-10-15 03:11:53,752 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1271 transitions. Word has length 248 [2019-10-15 03:11:53,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:53,755 INFO L462 AbstractCegarLoop]: Abstraction has 1037 states and 1271 transitions. [2019-10-15 03:11:53,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-15 03:11:53,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1271 transitions. [2019-10-15 03:11:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-15 03:11:53,763 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:53,763 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:53,764 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:53,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:53,765 INFO L82 PathProgramCache]: Analyzing trace with hash -500518119, now seen corresponding path program 1 times [2019-10-15 03:11:53,765 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:53,765 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113892382] [2019-10-15 03:11:53,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:53,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:53,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY