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_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:44:12,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:44:12,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:44:12,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:44:12,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:44:12,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:44:12,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:44:12,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:44:12,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:44:12,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:44:12,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:44:12,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:44:12,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:44:12,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:44:12,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:44:12,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:44:12,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:44:12,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:44:12,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:44:12,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:44:12,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:44:12,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:44:12,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:44:12,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:44:12,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:44:12,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:44:12,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:44:12,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:44:12,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:44:12,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:44:12,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:44:12,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:44:12,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:44:12,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:44:12,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:44:13,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:44:13,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:44:13,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:44:13,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:44:13,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:44:13,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:44:13,005 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 14:44:13,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:44:13,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:44:13,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:44:13,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:44:13,022 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:44:13,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:44:13,023 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:44:13,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:44:13,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:44:13,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:44:13,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:44:13,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:44:13,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:44:13,024 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:44:13,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:44:13,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:44:13,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:44:13,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:44:13,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:44:13,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:44:13,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:44:13,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:44:13,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:44:13,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:44:13,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:44:13,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:44:13,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:44:13,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:44:13,027 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 14:44:13,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:44:13,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:44:13,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:44:13,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:44:13,344 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:44:13,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product16.cil.c [2019-10-07 14:44:13,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0190f567/3e5c573357014fe493a05b5fcc138b21/FLAG8e5cc6625 [2019-10-07 14:44:14,061 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:44:14,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product16.cil.c [2019-10-07 14:44:14,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0190f567/3e5c573357014fe493a05b5fcc138b21/FLAG8e5cc6625 [2019-10-07 14:44:14,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0190f567/3e5c573357014fe493a05b5fcc138b21 [2019-10-07 14:44:14,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:44:14,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:44:14,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:14,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:44:14,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:44:14,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:14" (1/1) ... [2019-10-07 14:44:14,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a79ae4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:14, skipping insertion in model container [2019-10-07 14:44:14,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:14" (1/1) ... [2019-10-07 14:44:14,313 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:44:14,396 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:44:15,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:15,166 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:44:15,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:15,412 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:44:15,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:15 WrapperNode [2019-10-07 14:44:15,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:15,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:44:15,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:44:15,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:44:15,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:15" (1/1) ... [2019-10-07 14:44:15,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:15" (1/1) ... [2019-10-07 14:44:15,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:15" (1/1) ... [2019-10-07 14:44:15,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:15" (1/1) ... [2019-10-07 14:44:15,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:15" (1/1) ... [2019-10-07 14:44:15,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:15" (1/1) ... [2019-10-07 14:44:15,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:15" (1/1) ... [2019-10-07 14:44:15,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:44:15,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:44:15,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:44:15,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:44:15,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:15" (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 14:44:15,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:44:15,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:44:15,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:15,696 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:44:15,696 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:44:15,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:44:15,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:44:15,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:44:15,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:44:15,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:44:15,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:44:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:44:15,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:44:15,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:44:15,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:44:15,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:44:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:44:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:44:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:44:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:44:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:44:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:44:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:44:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:44:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:44:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:44:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:44:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:44:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:44:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:44:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:44:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:44:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:44:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:44:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:44:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:44:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:44:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:44:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:44:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:44:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:44:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:44:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:44:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:44:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:44:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:44:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:44:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:44:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:44:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:44:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:44:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:44:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:44:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:44:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:44:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:44:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:44:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:44:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:44:15,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:15,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:44:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:44:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:44:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:44:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:44:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:44:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:44:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:44:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:44:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:44:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:44:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:44:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:44:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:44:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:44:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:44:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:44:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:44:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:44:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:44:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:44:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:44:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:44:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:44:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:44:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:44:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:44:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:44:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:44:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:44:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:44:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:44:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:44:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:44:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:44:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:44:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:44:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:44:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:44:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:44:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:44:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:44:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:44:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:44:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:44:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:44:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:44:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:44:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:44:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:44:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:44:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:44:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:44:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:44:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:44:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:44:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:44:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:44:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:44:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:44:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:44:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:44:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:44:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:44:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:44:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:44:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:44:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:44:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:44:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:44:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:44:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:44:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:44:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:44:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:44:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:44:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:44:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:44:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:44:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:44:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:44:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:44:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:44:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:44:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:44:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:44:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:44:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:44:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:44:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:44:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:44:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:44:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:44:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:44:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:44:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:44:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:44:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:44:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:44:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:44:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:44:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:44:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:44:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:44:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:44:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:44:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:44:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:44:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:44:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:44:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:44:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:44:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:44:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:44:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:44:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:44:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:44:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:44:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:44:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:44:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:44:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:44:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:44:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:44:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:44:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:44:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:44:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:44:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:44:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:44:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:44:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:44:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:44:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:44:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:44:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:44:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:44:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:44:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:44:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:44:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:44:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:44:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:44:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:44:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:44:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:44:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:44:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:44:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:44:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:44:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:44:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:44:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:44:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:44:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:44:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:44:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:44:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:44:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:44:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:44:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:44:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:44:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:44:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:44:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:44:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:44:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:44:20,184 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:44:20,184 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:44:20,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:20 BoogieIcfgContainer [2019-10-07 14:44:20,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:44:20,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:44:20,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:44:20,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:44:20,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:44:14" (1/3) ... [2019-10-07 14:44:20,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c0c148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:20, skipping insertion in model container [2019-10-07 14:44:20,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:15" (2/3) ... [2019-10-07 14:44:20,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c0c148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:20, skipping insertion in model container [2019-10-07 14:44:20,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:20" (3/3) ... [2019-10-07 14:44:20,194 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product16.cil.c [2019-10-07 14:44:20,204 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:44:20,213 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:44:20,225 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:44:20,262 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:44:20,262 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:44:20,262 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:44:20,262 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:44:20,262 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:44:20,263 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:44:20,263 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:44:20,263 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:44:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states. [2019-10-07 14:44:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-07 14:44:20,321 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:20,323 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:20,325 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:20,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:20,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1031053103, now seen corresponding path program 1 times [2019-10-07 14:44:20,341 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:20,341 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:20,341 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:20,341 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:20,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:21,000 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:21,000 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:21,001 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:44:21,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:44:21,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:44:21,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:44:21,023 INFO L87 Difference]: Start difference. First operand 348 states. Second operand 2 states. [2019-10-07 14:44:21,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:21,089 INFO L93 Difference]: Finished difference Result 504 states and 595 transitions. [2019-10-07 14:44:21,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:44:21,091 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 114 [2019-10-07 14:44:21,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:21,121 INFO L225 Difference]: With dead ends: 504 [2019-10-07 14:44:21,121 INFO L226 Difference]: Without dead ends: 327 [2019-10-07 14:44:21,128 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 14:44:21,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-10-07 14:44:21,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2019-10-07 14:44:21,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-10-07 14:44:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 386 transitions. [2019-10-07 14:44:21,236 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 386 transitions. Word has length 114 [2019-10-07 14:44:21,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:21,239 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 386 transitions. [2019-10-07 14:44:21,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:44:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 386 transitions. [2019-10-07 14:44:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-07 14:44:21,254 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:21,255 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:21,256 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:21,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:21,257 INFO L82 PathProgramCache]: Analyzing trace with hash -905373975, now seen corresponding path program 1 times [2019-10-07 14:44:21,257 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:21,257 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:21,257 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:21,258 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:21,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:21,580 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:21,580 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:21,581 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:21,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:21,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:21,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:21,584 INFO L87 Difference]: Start difference. First operand 327 states and 386 transitions. Second operand 3 states. [2019-10-07 14:44:21,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:21,659 INFO L93 Difference]: Finished difference Result 489 states and 567 transitions. [2019-10-07 14:44:21,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:21,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-10-07 14:44:21,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:21,671 INFO L225 Difference]: With dead ends: 489 [2019-10-07 14:44:21,672 INFO L226 Difference]: Without dead ends: 329 [2019-10-07 14:44:21,677 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 14:44:21,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-10-07 14:44:21,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2019-10-07 14:44:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-10-07 14:44:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 388 transitions. [2019-10-07 14:44:21,746 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 388 transitions. Word has length 115 [2019-10-07 14:44:21,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:21,746 INFO L462 AbstractCegarLoop]: Abstraction has 329 states and 388 transitions. [2019-10-07 14:44:21,747 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 388 transitions. [2019-10-07 14:44:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-07 14:44:21,751 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:21,751 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:21,752 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:21,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:21,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1194276173, now seen corresponding path program 1 times [2019-10-07 14:44:21,753 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:21,754 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:21,754 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:21,754 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:21,963 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:21,964 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:21,964 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:21,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:21,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:21,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:21,967 INFO L87 Difference]: Start difference. First operand 329 states and 388 transitions. Second operand 3 states. [2019-10-07 14:44:22,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:22,023 INFO L93 Difference]: Finished difference Result 640 states and 783 transitions. [2019-10-07 14:44:22,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:22,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2019-10-07 14:44:22,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:22,029 INFO L225 Difference]: With dead ends: 640 [2019-10-07 14:44:22,030 INFO L226 Difference]: Without dead ends: 369 [2019-10-07 14:44:22,032 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 14:44:22,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-10-07 14:44:22,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 368. [2019-10-07 14:44:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2019-10-07 14:44:22,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 456 transitions. [2019-10-07 14:44:22,068 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 456 transitions. Word has length 120 [2019-10-07 14:44:22,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:22,069 INFO L462 AbstractCegarLoop]: Abstraction has 368 states and 456 transitions. [2019-10-07 14:44:22,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:22,069 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 456 transitions. [2019-10-07 14:44:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 14:44:22,075 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:22,075 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:22,075 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:22,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:22,076 INFO L82 PathProgramCache]: Analyzing trace with hash -2035849430, now seen corresponding path program 1 times [2019-10-07 14:44:22,076 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:22,076 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:22,076 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:22,077 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:22,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:22,381 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:22,382 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:44:22,382 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 14:44:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:23,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:44:23,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:44:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:23,165 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:44:23,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:23,396 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:44:23,433 INFO L162 IcfgInterpreter]: Started Sifa with 110 locations of interest [2019-10-07 14:44:23,434 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:44:23,442 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:44:23,451 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:44:23,452 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:44:48,869 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:44:52,827 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 274 DAG size of output: 223 [2019-10-07 14:44:53,148 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2019-10-07 14:44:53,464 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2019-10-07 14:44:53,720 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2019-10-07 14:44:53,881 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2019-10-07 14:44:54,495 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 970 [2019-10-07 14:44:55,132 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 970 [2019-10-07 14:44:55,676 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 970 [2019-10-07 14:44:55,856 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2019-10-07 14:44:56,402 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 970 [2019-10-07 14:44:57,488 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 972 DAG size of output: 970 [2019-10-07 14:44:58,066 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 970 [2019-10-07 14:44:58,198 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2019-10-07 14:44:58,739 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 970 [2019-10-07 14:44:59,285 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 970 [2019-10-07 14:44:59,841 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 970 [2019-10-07 14:44:59,966 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2019-10-07 14:45:00,495 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 970 [2019-10-07 14:45:00,520 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 538 for LOIs [2019-10-07 14:45:01,028 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2019-10-07 14:45:01,465 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 905 [2019-10-07 14:45:01,467 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1007 for LOIs [2019-10-07 14:45:02,015 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:02,542 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:02,749 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:03,497 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:04,054 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:04,584 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:04,778 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:05,530 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:06,118 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:06,664 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:07,003 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:07,756 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:08,827 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1128 DAG size of output: 1007 [2019-10-07 14:45:09,362 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:09,798 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 557 [2019-10-07 14:45:10,556 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:11,133 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:11,671 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:11,856 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:12,624 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:13,167 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:13,714 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:13,903 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:14,675 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:15,232 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:15,773 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:15,973 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:16,741 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:17,279 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:17,812 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:18,021 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:18,785 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:19,330 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:19,869 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:20,054 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:20,814 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:21,359 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:21,895 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:22,079 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:22,839 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:23,375 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:23,915 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:24,100 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:24,856 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:25,401 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:25,938 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:26,124 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:26,896 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:27,432 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:27,976 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2019-10-07 14:45:28,161 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:28,930 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:29,750 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:30,510 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:30,705 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:31,471 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:32,906 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1128 DAG size of output: 1126 [2019-10-07 14:45:33,668 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:33,875 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:34,639 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:35,386 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:36,142 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:36,326 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:37,088 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:37,920 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:45:38,679 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:45:38,871 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 14:45:39,631 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:45:40,427 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:45:41,191 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:45:41,385 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 14:45:42,154 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:45:43,532 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1132 DAG size of output: 1128 [2019-10-07 14:45:44,293 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:45:44,478 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 14:45:45,236 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:45:46,267 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:45:47,034 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:45:47,243 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 14:45:48,013 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:45:48,773 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:45:49,535 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:45:49,732 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 14:45:50,493 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-10-07 14:45:52,045 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1128 DAG size of output: 1126 [2019-10-07 14:45:52,802 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:53,001 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:53,749 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:55,133 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1128 DAG size of output: 1126 [2019-10-07 14:45:55,886 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:56,103 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:56,853 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:57,600 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:58,357 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:45:58,540 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:45:59,291 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:46:01,433 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1128 DAG size of output: 1126 [2019-10-07 14:46:02,201 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:46:02,397 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:46:03,154 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:46:04,519 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1128 DAG size of output: 1126 [2019-10-07 14:46:05,275 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:46:05,466 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:46:06,222 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:46:06,978 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:46:07,745 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:46:07,928 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 14:46:08,680 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:46:09,757 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:10,519 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:10,712 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 14:46:11,474 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:12,245 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:13,009 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:13,202 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 14:46:13,964 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:14,728 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:15,490 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:15,677 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 14:46:16,435 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:17,811 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1132 DAG size of output: 1128 [2019-10-07 14:46:18,567 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:46:18,787 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 14:46:19,545 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:20,851 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1134 DAG size of output: 1130 [2019-10-07 14:46:21,612 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 14:46:21,805 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 14:46:22,570 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-10-07 14:46:22,831 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:46:22,832 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 14:46:22,840 INFO L168 Benchmark]: Toolchain (without parser) took 128543.19 ms. Allocated memory was 141.0 MB in the beginning and 757.6 MB in the end (delta: 616.6 MB). Free memory was 99.1 MB in the beginning and 172.4 MB in the end (delta: -73.3 MB). Peak memory consumption was 543.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:22,840 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:46:22,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1115.48 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 99.1 MB in the beginning and 139.1 MB in the end (delta: -40.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:22,842 INFO L168 Benchmark]: Boogie Preprocessor took 168.45 ms. Allocated memory is still 202.9 MB. Free memory was 139.1 MB in the beginning and 130.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:22,842 INFO L168 Benchmark]: RCFGBuilder took 4603.29 ms. Allocated memory was 202.9 MB in the beginning and 302.5 MB in the end (delta: 99.6 MB). Free memory was 130.9 MB in the beginning and 132.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:22,843 INFO L168 Benchmark]: TraceAbstraction took 122650.99 ms. Allocated memory was 302.5 MB in the beginning and 757.6 MB in the end (delta: 455.1 MB). Free memory was 132.8 MB in the beginning and 172.4 MB in the end (delta: -39.6 MB). Peak memory consumption was 415.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:22,848 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 141.0 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1115.48 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 99.1 MB in the beginning and 139.1 MB in the end (delta: -40.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 168.45 ms. Allocated memory is still 202.9 MB. Free memory was 139.1 MB in the beginning and 130.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4603.29 ms. Allocated memory was 202.9 MB in the beginning and 302.5 MB in the end (delta: 99.6 MB). Free memory was 130.9 MB in the beginning and 132.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 122650.99 ms. Allocated memory was 302.5 MB in the beginning and 757.6 MB in the end (delta: 455.1 MB). Free memory was 132.8 MB in the beginning and 172.4 MB in the end (delta: -39.6 MB). Peak memory consumption was 415.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...