java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec27_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:49:14,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:49:14,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:49:14,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:49:14,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:49:14,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:49:14,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:49:14,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:49:14,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:49:14,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:49:14,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:49:14,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:49:14,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:49:14,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:49:14,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:49:14,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:49:14,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:49:14,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:49:14,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:49:14,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:49:14,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:49:14,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:49:14,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:49:14,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:49:14,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:49:14,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:49:14,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:49:14,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:49:14,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:49:14,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:49:14,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:49:14,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:49:14,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:49:14,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:49:14,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:49:14,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:49:14,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:49:14,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:49:14,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:49:14,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:49:14,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:49:14,922 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 [2019-10-07 14:49:14,936 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:49:14,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:49:14,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:49:14,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:49:14,938 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:49:14,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:49:14,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:49:14,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:49:14,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:49:14,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:49:14,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:49:14,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:49:14,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:49:14,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:49:14,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:49:14,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:49:14,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:49:14,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:49:14,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:49:14,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:49:14,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:49:14,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:49:14,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:49:14,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:49:14,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:49:14,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:49:14,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:49:14,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:49:14,943 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 [2019-10-07 14:49:15,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:49:15,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:49:15,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:49:15,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:49:15,258 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:49:15,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product24.cil.c [2019-10-07 14:49:15,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30cb274b8/ac0ab350567b40ef9e96a8d82c3ed773/FLAG083fe32d1 [2019-10-07 14:49:16,031 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:49:16,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product24.cil.c [2019-10-07 14:49:16,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30cb274b8/ac0ab350567b40ef9e96a8d82c3ed773/FLAG083fe32d1 [2019-10-07 14:49:16,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30cb274b8/ac0ab350567b40ef9e96a8d82c3ed773 [2019-10-07 14:49:16,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:49:16,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:49:16,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:49:16,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:49:16,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:49:16,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:49:16" (1/1) ... [2019-10-07 14:49:16,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b276bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:16, skipping insertion in model container [2019-10-07 14:49:16,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:49:16" (1/1) ... [2019-10-07 14:49:16,214 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:49:16,294 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:49:17,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:49:17,042 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:49:17,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:49:17,362 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:49:17,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:17 WrapperNode [2019-10-07 14:49:17,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:49:17,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:49:17,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:49:17,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:49:17,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:17" (1/1) ... [2019-10-07 14:49:17,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:17" (1/1) ... [2019-10-07 14:49:17,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:17" (1/1) ... [2019-10-07 14:49:17,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:17" (1/1) ... [2019-10-07 14:49:17,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:17" (1/1) ... [2019-10-07 14:49:17,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:17" (1/1) ... [2019-10-07 14:49:17,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:17" (1/1) ... [2019-10-07 14:49:17,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:49:17,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:49:17,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:49:17,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:49:17,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:17" (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 [2019-10-07 14:49:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:49:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:49:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:49:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 14:49:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:49:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:49:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:49:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:49:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:49:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:49:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:49:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:49:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:49:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:49:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:49:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:49:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:49:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:49:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:49:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:49:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:49:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:49:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:49:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:49:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:49:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:49:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:49:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:49:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:49:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:49:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-07 14:49:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:49:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:49:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:49:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:49:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:49:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:49:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:49:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:49:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:49:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:49:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:49:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:49:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:49:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:49:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:49:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:49:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:49:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:49:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:49:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:49:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:49:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:49:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:49:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:49:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:49:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:49:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:49:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:49:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:49:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:49:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:49:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:49:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:49:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:49:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-07 14:49:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:49:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:49:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:49:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:49:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:49:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:49:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:49:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:49:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:49:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:49:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:49:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:49:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:49:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:49:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:49:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:49:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:49:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:49:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:49:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:49:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:49:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:49:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:49:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:49:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:49:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:49:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:49:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:49:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:49:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:49:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:49:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:49:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:49:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:49:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:49:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:49:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:49:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:49:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:49:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:49:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:49:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:49:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:49:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:49:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:49:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:49:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:49:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:49:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:49:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:49:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:49:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:49:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:49:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:49:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:49:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:49:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:49:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:49:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:49:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:49:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:49:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:49:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:49:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 14:49:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:49:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:49:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:49:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:49:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:49:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:49:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:49:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:49:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:49:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:49:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:49:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:49:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:49:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:49:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:49:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:49:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:49:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:49:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-07 14:49:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:49:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:49:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:49:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:49:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:49:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:49:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:49:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:49:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:49:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:49:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:49:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:49:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:49:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:49:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:49:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:49:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:49:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:49:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:49:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:49:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:49:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:49:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:49:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:49:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:49:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:49:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:49:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:49:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:49:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:49:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:49:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:49:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:49:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:49:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:49:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:49:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:49:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:49:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:49:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:49:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:49:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:49:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:49:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:49:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:49:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:49:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-07 14:49:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:49:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:49:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:49:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:49:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:49:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:49:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:49:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:49:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:49:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:49:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:49:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:49:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:49:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:49:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:49:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:49:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:49:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:49:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:49:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:49:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:49:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:49:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:49:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:49:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:49:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:49:22,643 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:49:22,644 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:49:22,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:49:22 BoogieIcfgContainer [2019-10-07 14:49:22,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:49:22,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:49:22,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:49:22,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:49:22,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:49:16" (1/3) ... [2019-10-07 14:49:22,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72204152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:49:22, skipping insertion in model container [2019-10-07 14:49:22,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:17" (2/3) ... [2019-10-07 14:49:22,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72204152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:49:22, skipping insertion in model container [2019-10-07 14:49:22,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:49:22" (3/3) ... [2019-10-07 14:49:22,657 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product24.cil.c [2019-10-07 14:49:22,673 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:49:22,683 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:49:22,701 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:49:22,741 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:49:22,741 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:49:22,742 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:49:22,742 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:49:22,742 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:49:22,742 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:49:22,742 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:49:22,742 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:49:22,777 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states. [2019-10-07 14:49:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 14:49:22,798 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:22,800 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:22,803 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:22,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:22,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1420145409, now seen corresponding path program 1 times [2019-10-07 14:49:22,826 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:22,827 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:22,827 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:22,828 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:49:23,648 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:23,649 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:23,649 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:49:23,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:49:23,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:49:23,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:49:23,676 INFO L87 Difference]: Start difference. First operand 385 states. Second operand 2 states. [2019-10-07 14:49:23,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:23,762 INFO L93 Difference]: Finished difference Result 571 states and 673 transitions. [2019-10-07 14:49:23,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:49:23,763 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-10-07 14:49:23,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:23,783 INFO L225 Difference]: With dead ends: 571 [2019-10-07 14:49:23,783 INFO L226 Difference]: Without dead ends: 364 [2019-10-07 14:49:23,793 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:49:23,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-10-07 14:49:23,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2019-10-07 14:49:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2019-10-07 14:49:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 426 transitions. [2019-10-07 14:49:23,938 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 426 transitions. Word has length 145 [2019-10-07 14:49:23,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:23,941 INFO L462 AbstractCegarLoop]: Abstraction has 364 states and 426 transitions. [2019-10-07 14:49:23,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:49:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 426 transitions. [2019-10-07 14:49:23,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 14:49:23,963 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:23,964 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:23,965 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:23,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:23,967 INFO L82 PathProgramCache]: Analyzing trace with hash 734466794, now seen corresponding path program 1 times [2019-10-07 14:49:23,967 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:23,967 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:23,968 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:23,968 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:24,421 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:49:24,423 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:24,423 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:24,423 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:49:24,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:49:24,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:49:24,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:49:24,437 INFO L87 Difference]: Start difference. First operand 364 states and 426 transitions. Second operand 3 states. [2019-10-07 14:49:24,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:24,528 INFO L93 Difference]: Finished difference Result 556 states and 640 transitions. [2019-10-07 14:49:24,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:49:24,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-07 14:49:24,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:24,540 INFO L225 Difference]: With dead ends: 556 [2019-10-07 14:49:24,540 INFO L226 Difference]: Without dead ends: 366 [2019-10-07 14:49:24,547 INFO L606 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 [2019-10-07 14:49:24,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-10-07 14:49:24,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2019-10-07 14:49:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-10-07 14:49:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 428 transitions. [2019-10-07 14:49:24,591 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 428 transitions. Word has length 146 [2019-10-07 14:49:24,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:24,593 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 428 transitions. [2019-10-07 14:49:24,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:49:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 428 transitions. [2019-10-07 14:49:24,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-07 14:49:24,601 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:24,601 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:24,602 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:24,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:24,602 INFO L82 PathProgramCache]: Analyzing trace with hash 2046107415, now seen corresponding path program 1 times [2019-10-07 14:49:24,602 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:24,602 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:24,603 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:24,603 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:24,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:49:24,834 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:24,834 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:24,834 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:49:24,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:49:24,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:49:24,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:49:24,835 INFO L87 Difference]: Start difference. First operand 366 states and 428 transitions. Second operand 3 states. [2019-10-07 14:49:24,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:24,876 INFO L93 Difference]: Finished difference Result 716 states and 866 transitions. [2019-10-07 14:49:24,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:49:24,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-07 14:49:24,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:24,884 INFO L225 Difference]: With dead ends: 716 [2019-10-07 14:49:24,884 INFO L226 Difference]: Without dead ends: 408 [2019-10-07 14:49:24,886 INFO L606 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 [2019-10-07 14:49:24,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-10-07 14:49:24,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 407. [2019-10-07 14:49:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-07 14:49:24,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 499 transitions. [2019-10-07 14:49:24,909 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 499 transitions. Word has length 158 [2019-10-07 14:49:24,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:24,909 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 499 transitions. [2019-10-07 14:49:24,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:49:24,910 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 499 transitions. [2019-10-07 14:49:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 14:49:24,913 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:24,913 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:24,913 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:24,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:24,914 INFO L82 PathProgramCache]: Analyzing trace with hash -807772373, now seen corresponding path program 1 times [2019-10-07 14:49:24,914 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:24,914 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:24,914 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:24,914 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:24,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:49:25,274 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:25,274 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:25,274 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:49:25,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:49:25,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:49:25,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:49:25,275 INFO L87 Difference]: Start difference. First operand 407 states and 499 transitions. Second operand 8 states. [2019-10-07 14:49:25,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:25,336 INFO L93 Difference]: Finished difference Result 585 states and 700 transitions. [2019-10-07 14:49:25,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:49:25,336 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2019-10-07 14:49:25,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:25,342 INFO L225 Difference]: With dead ends: 585 [2019-10-07 14:49:25,343 INFO L226 Difference]: Without dead ends: 407 [2019-10-07 14:49:25,344 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:49:25,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-07 14:49:25,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2019-10-07 14:49:25,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-07 14:49:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 498 transitions. [2019-10-07 14:49:25,373 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 498 transitions. Word has length 159 [2019-10-07 14:49:25,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:25,375 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 498 transitions. [2019-10-07 14:49:25,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:49:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 498 transitions. [2019-10-07 14:49:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-07 14:49:25,379 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:25,379 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:25,379 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:25,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:25,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1754176789, now seen corresponding path program 1 times [2019-10-07 14:49:25,380 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:25,380 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:25,380 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:25,380 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:25,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:49:26,348 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:26,348 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:26,348 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2019-10-07 14:49:26,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-10-07 14:49:26,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-10-07 14:49:26,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=737, Unknown=0, NotChecked=0, Total=812 [2019-10-07 14:49:26,352 INFO L87 Difference]: Start difference. First operand 407 states and 498 transitions. Second operand 29 states. [2019-10-07 14:49:38,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:38,026 INFO L93 Difference]: Finished difference Result 831 states and 988 transitions. [2019-10-07 14:49:38,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-07 14:49:38,027 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 164 [2019-10-07 14:49:38,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:38,037 INFO L225 Difference]: With dead ends: 831 [2019-10-07 14:49:38,039 INFO L226 Difference]: Without dead ends: 616 [2019-10-07 14:49:38,041 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=275, Invalid=3031, Unknown=0, NotChecked=0, Total=3306 [2019-10-07 14:49:38,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2019-10-07 14:49:38,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 609. [2019-10-07 14:49:38,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2019-10-07 14:49:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 725 transitions. [2019-10-07 14:49:38,118 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 725 transitions. Word has length 164 [2019-10-07 14:49:38,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:38,119 INFO L462 AbstractCegarLoop]: Abstraction has 609 states and 725 transitions. [2019-10-07 14:49:38,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-10-07 14:49:38,119 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 725 transitions. [2019-10-07 14:49:38,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-07 14:49:38,128 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:38,128 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:38,129 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:38,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:38,129 INFO L82 PathProgramCache]: Analyzing trace with hash -2023223005, now seen corresponding path program 1 times [2019-10-07 14:49:38,130 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:38,130 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:38,130 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:38,132 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:38,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:49:38,668 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:38,668 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:38,668 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2019-10-07 14:49:38,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-10-07 14:49:38,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-10-07 14:49:38,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2019-10-07 14:49:38,670 INFO L87 Difference]: Start difference. First operand 609 states and 725 transitions. Second operand 21 states. [2019-10-07 14:49:46,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:46,352 INFO L93 Difference]: Finished difference Result 1285 states and 1473 transitions. [2019-10-07 14:49:46,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-07 14:49:46,353 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 185 [2019-10-07 14:49:46,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:46,359 INFO L225 Difference]: With dead ends: 1285 [2019-10-07 14:49:46,359 INFO L226 Difference]: Without dead ends: 846 [2019-10-07 14:49:46,362 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=213, Invalid=1679, Unknown=0, NotChecked=0, Total=1892 [2019-10-07 14:49:46,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2019-10-07 14:49:46,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 829. [2019-10-07 14:49:46,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2019-10-07 14:49:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 969 transitions. [2019-10-07 14:49:46,412 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 969 transitions. Word has length 185 [2019-10-07 14:49:46,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:46,413 INFO L462 AbstractCegarLoop]: Abstraction has 829 states and 969 transitions. [2019-10-07 14:49:46,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-10-07 14:49:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 969 transitions. [2019-10-07 14:49:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-07 14:49:46,417 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:46,417 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:46,418 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:46,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:46,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1054190007, now seen corresponding path program 1 times [2019-10-07 14:49:46,418 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:46,419 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:46,419 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:46,419 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:46,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:47,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 14:49:47,392 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:47,392 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:49:47,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:49:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:48,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 2713 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:49:48,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:49:48,164 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:49:48,167 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:49:48,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:49:48,458 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:49:48,492 INFO L162 IcfgInterpreter]: Started Sifa with 176 locations of interest [2019-10-07 14:49:48,492 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:49:48,499 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:49:48,508 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:49:48,508 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:50:28,880 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-10-07 14:50:32,528 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 284 DAG size of output: 231 [2019-10-07 14:50:32,905 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 14:50:33,254 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 14:50:33,612 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 14:50:33,900 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:50:34,603 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:50:35,221 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:50:35,847 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:50:35,980 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:50:36,602 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:50:37,816 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 993 DAG size of output: 991 [2019-10-07 14:50:38,409 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:50:38,542 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:50:39,135 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:50:39,694 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:50:40,271 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:50:40,386 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:50:40,950 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:50:40,974 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 547 for LOIs [2019-10-07 14:50:41,385 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:50:41,603 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:50:42,019 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 924 [2019-10-07 14:50:42,020 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1033 for LOIs [2019-10-07 14:50:42,587 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:43,129 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:43,327 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:50:44,151 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:50:44,707 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:45,279 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:45,476 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:50:46,321 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:50:46,906 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:47,455 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:47,676 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:50:48,470 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:50:49,461 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 1033 [2019-10-07 14:50:50,018 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:50,476 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:50:51,317 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:50:51,880 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:52,446 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:52,637 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:50:53,426 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:50:53,987 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:54,533 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:54,725 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:50:55,529 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:50:56,074 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:56,618 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:56,810 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:50:57,596 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:50:58,142 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:58,703 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:50:58,974 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:50:59,768 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:00,323 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:51:00,867 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:51:01,057 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:01,859 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:02,404 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:51:02,949 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:51:03,140 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:03,930 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:04,485 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:51:05,029 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:51:05,227 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:06,016 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:06,561 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:51:07,106 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:51:07,296 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:08,085 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:08,630 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:51:09,175 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:51:09,369 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:10,161 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:11,125 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:11,912 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:12,105 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:12,897 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:14,342 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1165 DAG size of output: 1163 [2019-10-07 14:51:15,136 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:15,353 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:16,144 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:16,935 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:17,729 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:17,919 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:18,708 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:19,561 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1165 [2019-10-07 14:51:20,354 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1165 [2019-10-07 14:51:20,548 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 14:51:21,340 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:22,192 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:22,990 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:23,195 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 14:51:23,992 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:25,376 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1169 DAG size of output: 1165 [2019-10-07 14:51:26,171 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1165 [2019-10-07 14:51:26,364 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 14:51:27,165 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:27,972 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1165 [2019-10-07 14:51:28,767 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1165 [2019-10-07 14:51:28,961 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 14:51:29,764 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:30,569 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:31,377 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:31,575 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 14:51:32,384 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:51:33,870 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1165 DAG size of output: 1163 [2019-10-07 14:51:34,661 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:34,867 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:35,674 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:37,132 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1165 DAG size of output: 1163 [2019-10-07 14:51:37,946 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:38,151 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:38,954 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:39,759 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:40,574 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:40,769 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:41,579 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:43,241 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1165 DAG size of output: 1163 [2019-10-07 14:51:44,044 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:44,243 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:45,040 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:46,820 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1165 DAG size of output: 1163 [2019-10-07 14:51:47,617 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:47,819 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:48,622 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:49,422 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:50,229 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:50,429 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:51:51,230 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:51:52,614 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1169 DAG size of output: 1165 [2019-10-07 14:51:53,414 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1165 [2019-10-07 14:51:53,617 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 14:51:54,427 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:55,245 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:56,055 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:56,262 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 14:51:57,063 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:51:58,420 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1169 DAG size of output: 1165 [2019-10-07 14:51:59,222 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1165 [2019-10-07 14:51:59,417 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 14:52:00,229 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:52:01,606 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1174 DAG size of output: 1167 [2019-10-07 14:52:02,425 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:52:02,629 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 14:52:03,435 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:52:04,892 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1176 DAG size of output: 1169 [2019-10-07 14:52:05,704 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:52:05,906 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 14:52:06,714 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:52:06,970 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:52:06,972 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:52:06,983 INFO L168 Benchmark]: Toolchain (without parser) took 170787.44 ms. Allocated memory was 143.1 MB in the beginning and 726.1 MB in the end (delta: 583.0 MB). Free memory was 98.4 MB in the beginning and 72.3 MB in the end (delta: 26.1 MB). Peak memory consumption was 609.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:52:06,983 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:52:06,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1166.51 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 98.2 MB in the beginning and 133.5 MB in the end (delta: -35.3 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:52:06,985 INFO L168 Benchmark]: Boogie Preprocessor took 200.87 ms. Allocated memory is still 201.3 MB. Free memory was 133.5 MB in the beginning and 124.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:52:06,985 INFO L168 Benchmark]: RCFGBuilder took 5081.49 ms. Allocated memory was 201.3 MB in the beginning and 306.7 MB in the end (delta: 105.4 MB). Free memory was 124.8 MB in the beginning and 129.6 MB in the end (delta: -4.8 MB). Peak memory consumption was 103.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:52:06,995 INFO L168 Benchmark]: TraceAbstraction took 164332.89 ms. Allocated memory was 306.7 MB in the beginning and 726.1 MB in the end (delta: 419.4 MB). Free memory was 129.6 MB in the beginning and 72.3 MB in the end (delta: 57.3 MB). Peak memory consumption was 476.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:52:06,999 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1166.51 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 98.2 MB in the beginning and 133.5 MB in the end (delta: -35.3 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 200.87 ms. Allocated memory is still 201.3 MB. Free memory was 133.5 MB in the beginning and 124.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5081.49 ms. Allocated memory was 201.3 MB in the beginning and 306.7 MB in the end (delta: 105.4 MB). Free memory was 124.8 MB in the beginning and 129.6 MB in the end (delta: -4.8 MB). Peak memory consumption was 103.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 164332.89 ms. Allocated memory was 306.7 MB in the beginning and 726.1 MB in the end (delta: 419.4 MB). Free memory was 129.6 MB in the beginning and 72.3 MB in the end (delta: 57.3 MB). Peak memory consumption was 476.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...