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_spec3_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:54:18,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:54:18,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:54:18,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:54:18,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:54:18,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:54:18,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:54:18,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:54:18,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:54:18,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:54:18,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:54:18,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:54:18,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:54:18,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:54:18,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:54:18,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:54:18,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:54:18,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:54:18,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:54:18,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:54:18,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:54:18,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:54:18,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:54:18,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:54:18,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:54:18,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:54:18,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:54:18,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:54:18,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:54:18,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:54:18,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:54:18,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:54:18,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:54:18,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:54:18,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:54:18,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:54:18,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:54:18,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:54:18,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:54:18,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:54:18,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:54:18,685 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 14:54:18,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:54:18,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:54:18,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:54:18,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:54:18,707 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:54:18,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:54:18,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:54:18,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:54:18,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:54:18,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:54:18,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:54:18,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:54:18,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:54:18,712 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:54:18,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:54:18,713 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:54:18,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:54:18,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:54:18,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:54:18,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:54:18,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:54:18,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:54:18,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:54:18,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:54:18,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:54:18,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:54:18,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:54:18,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:54:18,716 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 14:54:19,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:54:19,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:54:19,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:54:19,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:54:19,027 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:54:19,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product32.cil.c [2019-10-07 14:54:19,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee356dc4/ee9c544140a3429ebc94a3ab34973129/FLAG6ffb145fb [2019-10-07 14:54:19,759 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:54:19,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product32.cil.c [2019-10-07 14:54:19,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee356dc4/ee9c544140a3429ebc94a3ab34973129/FLAG6ffb145fb [2019-10-07 14:54:20,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee356dc4/ee9c544140a3429ebc94a3ab34973129 [2019-10-07 14:54:20,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:54:20,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:54:20,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:54:20,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:54:20,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:54:20,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:54:20" (1/1) ... [2019-10-07 14:54:20,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138985dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:20, skipping insertion in model container [2019-10-07 14:54:20,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:54:20" (1/1) ... [2019-10-07 14:54:20,049 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:54:20,133 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:54:20,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:54:20,857 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:54:20,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:54:21,103 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:54:21,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:21 WrapperNode [2019-10-07 14:54:21,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:54:21,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:54:21,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:54:21,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:54:21,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:21" (1/1) ... [2019-10-07 14:54:21,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:21" (1/1) ... [2019-10-07 14:54:21,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:21" (1/1) ... [2019-10-07 14:54:21,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:21" (1/1) ... [2019-10-07 14:54:21,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:21" (1/1) ... [2019-10-07 14:54:21,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:21" (1/1) ... [2019-10-07 14:54:21,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:21" (1/1) ... [2019-10-07 14:54:21,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:54:21,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:54:21,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:54:21,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:54:21,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:54:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:54:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:54:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:54:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:54:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:54:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:54:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:54:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:54:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:54:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:54:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:54:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:54:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:54:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:54:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:54:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:54:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:54:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:54:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:54:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:54:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:54:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:54:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:54:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:54:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:54:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:54:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:54:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:54:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:54:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:54:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:54:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:54:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:54:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:54:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:54:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:54:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:54:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:54:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:54:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:54:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:54:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:54:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:54:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:54:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:54:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:54:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:54:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:54:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:54:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:54:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:54:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:54:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:54:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:54:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:54:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:54:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:54:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:54:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:54:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:54:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:54:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:54:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:54:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:54:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:54:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:54:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:54:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:54:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:54:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:54:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:54:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:54:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:54:21,447 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:54:21,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:54:21,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:54:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:54:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:54:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:54:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:54:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:54:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:54:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:54:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:54:21,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:54:21,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:54:21,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 14:54:21,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:54:21,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:54:21,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:54:21,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:54:21,451 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:54:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:54:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:54:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:54:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:54:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:54:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:54:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:54:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:54:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:54:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:54:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:54:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:54:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:54:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:54:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:54:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:54:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:54:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:54:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:54:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:54:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:54:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:54:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:54:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:54:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:54:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:54:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:54:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:54:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:54:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:54:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:54:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:54:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:54:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:54:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:54:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:54:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:54:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:54:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:54:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:54:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:54:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:54:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:54:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:54:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:54:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:54:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:54:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:54:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:54:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:54:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:54:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:54:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:54:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:54:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:54:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:54:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:54:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:54:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:54:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:54:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:54:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:54:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:54:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:54:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:54:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:54:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:54:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:54:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:54:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:54:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:54:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:54:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:54:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:54:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:54:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:54:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:54:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:54:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:54:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:54:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:54:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:54:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:54:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:54:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:54:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:54:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:54:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:54:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:54:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:54:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:54:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:54:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:54:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:54:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:54:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:54:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:54:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:54:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:54:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:54:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:54:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:54:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:54:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:54:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:54:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:54:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:54:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:54:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:54:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:54:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:54:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:54:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:54:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:54:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:54:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:54:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:54:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:54:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:54:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:54:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:54:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:54:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:54:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:54:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:54:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:54:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:54:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:54:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:54:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:54:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:54:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:54:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:54:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:54:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 14:54:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:54:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:54:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:54:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:54:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:54:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:54:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:54:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:54:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:54:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:54:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:54:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:54:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:54:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:54:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:54:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:54:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:54:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:54:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:54:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:54:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:54:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:54:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:54:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:54:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:54:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:54:26,650 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:54:26,651 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:54:26,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:54:26 BoogieIcfgContainer [2019-10-07 14:54:26,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:54:26,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:54:26,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:54:26,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:54:26,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:54:20" (1/3) ... [2019-10-07 14:54:26,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b79d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:54:26, skipping insertion in model container [2019-10-07 14:54:26,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:21" (2/3) ... [2019-10-07 14:54:26,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b79d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:54:26, skipping insertion in model container [2019-10-07 14:54:26,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:54:26" (3/3) ... [2019-10-07 14:54:26,669 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product32.cil.c [2019-10-07 14:54:26,680 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:54:26,693 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:54:26,704 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:54:26,746 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:54:26,747 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:54:26,747 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:54:26,747 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:54:26,747 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:54:26,747 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:54:26,747 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:54:26,747 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:54:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states. [2019-10-07 14:54:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 14:54:26,797 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:26,798 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] [2019-10-07 14:54:26,800 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:26,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:26,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1947175262, now seen corresponding path program 1 times [2019-10-07 14:54:26,814 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:26,814 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:26,814 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:26,814 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:26,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:27,549 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 14:54:27,550 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:27,550 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:54:27,551 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:54:27,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:54:27,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:54:27,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:54:27,573 INFO L87 Difference]: Start difference. First operand 455 states. Second operand 2 states. [2019-10-07 14:54:27,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:54:27,653 INFO L93 Difference]: Finished difference Result 650 states and 785 transitions. [2019-10-07 14:54:27,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:54:27,657 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-07 14:54:27,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:54:27,680 INFO L225 Difference]: With dead ends: 650 [2019-10-07 14:54:27,680 INFO L226 Difference]: Without dead ends: 407 [2019-10-07 14:54:27,692 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 14:54:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-07 14:54:27,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2019-10-07 14:54:27,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-07 14:54:27,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 484 transitions. [2019-10-07 14:54:27,782 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 484 transitions. Word has length 159 [2019-10-07 14:54:27,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:54:27,784 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 484 transitions. [2019-10-07 14:54:27,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:54:27,785 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 484 transitions. [2019-10-07 14:54:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:54:27,792 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:27,792 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] [2019-10-07 14:54:27,792 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:27,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:27,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1130368248, now seen corresponding path program 1 times [2019-10-07 14:54:27,793 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:27,793 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:27,794 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:27,794 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:27,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:28,149 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 14:54:28,149 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:28,150 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:54:28,150 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:54:28,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:54:28,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:54:28,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:54:28,158 INFO L87 Difference]: Start difference. First operand 407 states and 484 transitions. Second operand 3 states. [2019-10-07 14:54:28,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:54:28,219 INFO L93 Difference]: Finished difference Result 635 states and 748 transitions. [2019-10-07 14:54:28,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:54:28,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-07 14:54:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:54:28,228 INFO L225 Difference]: With dead ends: 635 [2019-10-07 14:54:28,230 INFO L226 Difference]: Without dead ends: 409 [2019-10-07 14:54:28,236 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 14:54:28,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-10-07 14:54:28,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2019-10-07 14:54:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-10-07 14:54:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 486 transitions. [2019-10-07 14:54:28,297 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 486 transitions. Word has length 160 [2019-10-07 14:54:28,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:54:28,298 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 486 transitions. [2019-10-07 14:54:28,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:54:28,299 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 486 transitions. [2019-10-07 14:54:28,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-07 14:54:28,305 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:28,305 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 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] [2019-10-07 14:54:28,306 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:28,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:28,307 INFO L82 PathProgramCache]: Analyzing trace with hash -2037557988, now seen corresponding path program 1 times [2019-10-07 14:54:28,308 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:28,308 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:28,308 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:28,308 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:28,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:28,564 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:28,564 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:54:28,565 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:54:28,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:54:28,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:54:28,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:54:28,567 INFO L87 Difference]: Start difference. First operand 409 states and 486 transitions. Second operand 3 states. [2019-10-07 14:54:28,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:54:28,631 INFO L93 Difference]: Finished difference Result 802 states and 982 transitions. [2019-10-07 14:54:28,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:54:28,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-10-07 14:54:28,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:54:28,640 INFO L225 Difference]: With dead ends: 802 [2019-10-07 14:54:28,640 INFO L226 Difference]: Without dead ends: 451 [2019-10-07 14:54:28,642 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 14:54:28,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-10-07 14:54:28,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 450. [2019-10-07 14:54:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-10-07 14:54:28,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 557 transitions. [2019-10-07 14:54:28,694 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 557 transitions. Word has length 169 [2019-10-07 14:54:28,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:54:28,695 INFO L462 AbstractCegarLoop]: Abstraction has 450 states and 557 transitions. [2019-10-07 14:54:28,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:54:28,696 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 557 transitions. [2019-10-07 14:54:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-07 14:54:28,708 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:28,709 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 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] [2019-10-07 14:54:28,709 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:28,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:28,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1532345087, now seen corresponding path program 1 times [2019-10-07 14:54:28,710 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:28,711 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:28,711 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:28,711 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:28,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:29,084 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:29,084 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:54:29,084 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:54:29,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:54:29,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:54:29,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:54:29,086 INFO L87 Difference]: Start difference. First operand 450 states and 557 transitions. Second operand 3 states. [2019-10-07 14:54:29,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:54:29,124 INFO L93 Difference]: Finished difference Result 922 states and 1190 transitions. [2019-10-07 14:54:29,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:54:29,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-07 14:54:29,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:54:29,130 INFO L225 Difference]: With dead ends: 922 [2019-10-07 14:54:29,131 INFO L226 Difference]: Without dead ends: 530 [2019-10-07 14:54:29,133 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 14:54:29,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-10-07 14:54:29,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 529. [2019-10-07 14:54:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-10-07 14:54:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 693 transitions. [2019-10-07 14:54:29,167 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 693 transitions. Word has length 170 [2019-10-07 14:54:29,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:54:29,168 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 693 transitions. [2019-10-07 14:54:29,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:54:29,168 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 693 transitions. [2019-10-07 14:54:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-07 14:54:29,174 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:29,175 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 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] [2019-10-07 14:54:29,175 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:29,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:29,176 INFO L82 PathProgramCache]: Analyzing trace with hash -409055810, now seen corresponding path program 1 times [2019-10-07 14:54:29,176 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:29,176 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:29,177 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:29,177 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:54:30,032 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:30,033 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:54:30,033 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-07 14:54:30,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-07 14:54:30,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-07 14:54:30,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-10-07 14:54:30,037 INFO L87 Difference]: Start difference. First operand 529 states and 693 transitions. Second operand 27 states. [2019-10-07 14:54:48,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:54:48,552 INFO L93 Difference]: Finished difference Result 1332 states and 1658 transitions. [2019-10-07 14:54:48,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-10-07 14:54:48,553 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 173 [2019-10-07 14:54:48,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:54:48,561 INFO L225 Difference]: With dead ends: 1332 [2019-10-07 14:54:48,562 INFO L226 Difference]: Without dead ends: 1106 [2019-10-07 14:54:48,564 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=434, Invalid=3472, Unknown=0, NotChecked=0, Total=3906 [2019-10-07 14:54:48,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2019-10-07 14:54:48,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1095. [2019-10-07 14:54:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2019-10-07 14:54:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1363 transitions. [2019-10-07 14:54:48,625 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1363 transitions. Word has length 173 [2019-10-07 14:54:48,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:54:48,626 INFO L462 AbstractCegarLoop]: Abstraction has 1095 states and 1363 transitions. [2019-10-07 14:54:48,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-07 14:54:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1363 transitions. [2019-10-07 14:54:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-07 14:54:48,630 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:48,631 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 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] [2019-10-07 14:54:48,631 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:48,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:48,631 INFO L82 PathProgramCache]: Analyzing trace with hash -642290405, now seen corresponding path program 1 times [2019-10-07 14:54:48,632 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:48,632 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:48,632 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:48,632 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:48,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 14:54:51,804 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:51,804 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:54:51,804 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 14:54:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:52,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 3164 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:54:52,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:54:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:52,645 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:54:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:53,008 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:54:53,043 INFO L162 IcfgInterpreter]: Started Sifa with 162 locations of interest [2019-10-07 14:54:53,043 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:54:53,052 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:54:53,060 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:54:53,061 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:56:31,752 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 735 [2019-10-07 14:56:37,648 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 366 DAG size of output: 297 [2019-10-07 14:56:38,089 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 788 [2019-10-07 14:56:38,436 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 788 [2019-10-07 14:56:38,761 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 788 [2019-10-07 14:56:38,957 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:56:39,693 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1095 [2019-10-07 14:56:40,434 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 1095 [2019-10-07 14:56:41,119 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1095 [2019-10-07 14:56:41,276 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:56:42,007 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 1095 [2019-10-07 14:56:43,434 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1097 DAG size of output: 1095 [2019-10-07 14:56:44,094 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1095 [2019-10-07 14:56:44,269 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:56:44,942 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1095 [2019-10-07 14:56:45,644 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1095 [2019-10-07 14:56:46,313 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1095 [2019-10-07 14:56:46,465 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:56:47,129 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1095 [2019-10-07 14:56:47,160 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 586 for LOIs [2019-10-07 14:56:47,518 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 697 [2019-10-07 14:56:47,676 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 697 [2019-10-07 14:56:47,834 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:56:48,333 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 1004 [2019-10-07 14:56:48,335 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1154 for LOIs [2019-10-07 14:56:49,000 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:56:49,650 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:56:49,914 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:56:51,044 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:56:51,726 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:56:52,387 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:56:52,708 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:56:53,818 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:56:54,520 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:56:55,181 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:56:55,455 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:56:56,567 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:56:57,644 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1361 DAG size of output: 1154 [2019-10-07 14:56:58,294 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:56:58,609 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:56:59,723 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:00,393 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:01,059 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:01,342 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:02,441 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:03,096 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:03,762 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:04,039 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:05,116 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:05,766 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:06,435 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:06,689 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:07,762 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:08,454 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:09,098 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:09,360 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:10,467 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:11,115 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:11,759 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:12,019 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:13,097 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:13,750 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:14,401 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:14,669 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:15,776 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:16,446 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:17,103 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:17,368 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:18,432 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:19,085 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:19,760 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:20,026 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:21,080 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:21,738 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:22,381 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 14:57:22,648 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:23,713 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:24,879 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:25,941 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:26,216 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:27,270 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:29,351 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1361 DAG size of output: 1359 [2019-10-07 14:57:30,425 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:30,701 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:31,783 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:32,841 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:33,904 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:34,164 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:35,214 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:36,345 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:57:37,404 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:57:37,672 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:57:38,761 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:57:40,019 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:57:41,107 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:57:41,388 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:57:42,487 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:57:43,582 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:57:44,667 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:57:44,932 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:57:45,986 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:57:47,311 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:57:48,389 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:57:48,663 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:57:49,757 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:57:50,855 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1370 [2019-10-07 14:57:51,937 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1370 [2019-10-07 14:57:52,200 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:57:53,320 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1370 [2019-10-07 14:57:55,358 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1361 DAG size of output: 1359 [2019-10-07 14:57:56,454 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:56,747 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:57:57,804 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:57:59,803 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1361 DAG size of output: 1359 [2019-10-07 14:58:00,878 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:01,148 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:02,239 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:03,306 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:04,412 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:04,666 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:05,742 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:08,225 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1361 DAG size of output: 1359 [2019-10-07 14:58:09,326 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:09,589 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:10,677 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:13,215 WARN L191 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1361 DAG size of output: 1359 [2019-10-07 14:58:14,287 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:14,566 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:15,626 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:16,719 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:17,779 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:18,040 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:19,117 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1359 [2019-10-07 14:58:20,228 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:21,297 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:21,567 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:58:22,671 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:23,765 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:24,863 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:25,125 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:58:26,222 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:27,288 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:28,397 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:28,651 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:58:29,738 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:31,604 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1370 DAG size of output: 1361 [2019-10-07 14:58:32,685 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1361 [2019-10-07 14:58:32,958 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:58:34,020 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:36,036 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 1372 DAG size of output: 1363 [2019-10-07 14:58:37,102 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1363 [2019-10-07 14:58:37,410 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:58:38,478 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1365 [2019-10-07 14:58:38,739 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:58:38,740 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 14:58:38,748 INFO L168 Benchmark]: Toolchain (without parser) took 258715.40 ms. Allocated memory was 146.3 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 100.8 MB in the beginning and 304.2 MB in the end (delta: -203.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-10-07 14:58:38,749 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:58:38,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1071.76 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 100.6 MB in the beginning and 132.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:58:38,750 INFO L168 Benchmark]: Boogie Preprocessor took 224.56 ms. Allocated memory is still 204.5 MB. Free memory was 132.0 MB in the beginning and 122.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:58:38,751 INFO L168 Benchmark]: RCFGBuilder took 5320.21 ms. Allocated memory was 204.5 MB in the beginning and 291.0 MB in the end (delta: 86.5 MB). Free memory was 122.4 MB in the beginning and 198.7 MB in the end (delta: -76.3 MB). Peak memory consumption was 129.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:58:38,751 INFO L168 Benchmark]: TraceAbstraction took 252092.53 ms. Allocated memory was 291.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 198.7 MB in the beginning and 304.2 MB in the end (delta: -105.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-10-07 14:58:38,755 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1071.76 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 100.6 MB in the beginning and 132.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 224.56 ms. Allocated memory is still 204.5 MB. Free memory was 132.0 MB in the beginning and 122.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5320.21 ms. Allocated memory was 204.5 MB in the beginning and 291.0 MB in the end (delta: 86.5 MB). Free memory was 122.4 MB in the beginning and 198.7 MB in the end (delta: -76.3 MB). Peak memory consumption was 129.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252092.53 ms. Allocated memory was 291.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 198.7 MB in the beginning and 304.2 MB in the end (delta: -105.5 MB). Peak memory consumption was 1.0 GB. 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...