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_spec8_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:08:19,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:08:19,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:08:19,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:08:19,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:08:19,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:08:19,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:08:19,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:08:19,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:08:19,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:08:19,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:08:19,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:08:19,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:08:19,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:08:19,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:08:19,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:08:19,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:08:19,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:08:19,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:08:19,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:08:19,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:08:19,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:08:19,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:08:19,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:08:19,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:08:19,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:08:19,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:08:19,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:08:19,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:08:19,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:08:19,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:08:19,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:08:19,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:08:19,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:08:19,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:08:19,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:08:19,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:08:19,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:08:19,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:08:19,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:08:19,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:08:19,387 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 15:08:19,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:08:19,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:08:19,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:08:19,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:08:19,412 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:08:19,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:08:19,413 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:08:19,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:08:19,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:08:19,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:08:19,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:08:19,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:08:19,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:08:19,415 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:08:19,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:08:19,415 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:08:19,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:08:19,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:08:19,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:08:19,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:08:19,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:08:19,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:08:19,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:08:19,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:08:19,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:08:19,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:08:19,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:08:19,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:08:19,418 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 15:08:19,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:08:19,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:08:19,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:08:19,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:08:19,711 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:08:19,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product31.cil.c [2019-10-07 15:08:19,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99300a91/23b9860f7cd7457ebf28e968d0872368/FLAG0eb60e514 [2019-10-07 15:08:20,464 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:08:20,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product31.cil.c [2019-10-07 15:08:20,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99300a91/23b9860f7cd7457ebf28e968d0872368/FLAG0eb60e514 [2019-10-07 15:08:20,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99300a91/23b9860f7cd7457ebf28e968d0872368 [2019-10-07 15:08:20,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:08:20,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:08:20,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:08:20,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:08:20,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:08:20,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:08:20" (1/1) ... [2019-10-07 15:08:20,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507cfa22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:20, skipping insertion in model container [2019-10-07 15:08:20,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:08:20" (1/1) ... [2019-10-07 15:08:20,677 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:08:20,746 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:08:21,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:08:21,566 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:08:21,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:08:21,776 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:08:21,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:21 WrapperNode [2019-10-07 15:08:21,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:08:21,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:08:21,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:08:21,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:08:21,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:21" (1/1) ... [2019-10-07 15:08:21,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:21" (1/1) ... [2019-10-07 15:08:21,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:21" (1/1) ... [2019-10-07 15:08:21,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:21" (1/1) ... [2019-10-07 15:08:21,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:21" (1/1) ... [2019-10-07 15:08:21,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:21" (1/1) ... [2019-10-07 15:08:21,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:21" (1/1) ... [2019-10-07 15:08:21,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:08:21,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:08:21,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:08:21,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:08:21,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:21" (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 15:08:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:08:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:08:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:08:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:08:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:08:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:08:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:08:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:08:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:08:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:08:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:08:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:08:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:08:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:08:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:08:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:08:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:08:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:08:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:08:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:08:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:08:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:08:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:08:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:08:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:08:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:08:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:08:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:08:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:08:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:08:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:08:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:08:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:08:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:08:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:08:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:08:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:08:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:08:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:08:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:08:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:08:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-07 15:08:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 15:08:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:08:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:08:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:08:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:08:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:08:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:08:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:08:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:08:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:08:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:08:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:08:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:08:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:08:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:08:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:08:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:08:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:08:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:08:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:08:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:08:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:08:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:08:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:08:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:08:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:08:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:08:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:08:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:08:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:08:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:08:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:08:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:08:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:08:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:08:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:08:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:08:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 15:08:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:08:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:08:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:08:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:08:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:08:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:08:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:08:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:08:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:08:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:08:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:08:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:08:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:08:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:08:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:08:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:08:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:08:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:08:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:08:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:08:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:08:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:08:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:08:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:08:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:08:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:08:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:08:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:08:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:08:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:08:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:08:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:08:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:08:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:08:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:08:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:08:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:08:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:08:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:08:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:08:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:08:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:08:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:08:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:08:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:08:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:08:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:08:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:08:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:08:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:08:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:08:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:08:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:08:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:08:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:08:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:08:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:08:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:08:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:08:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:08:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:08:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:08:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:08:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:08:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:08:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:08:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:08:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:08:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:08:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:08:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:08:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:08:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:08:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:08:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:08:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:08:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:08:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:08:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:08:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:08:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:08:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:08:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:08:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:08:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:08:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:08:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:08:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:08:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:08:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:08:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:08:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:08:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:08:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:08:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:08:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:08:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:08:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:08:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:08:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:08:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:08:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:08:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-07 15:08:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 15:08:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:08:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:08:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:08:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:08:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:08:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:08:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:08:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:08:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:08:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:08:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:08:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:08:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:08:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:08:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:08:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:08:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:08:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:08:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:08:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:08:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:08:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:08:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:08:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:08:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:08:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:08:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:08:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:08:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:08:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:08:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:08:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:08:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:08:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:08:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:08:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:08:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 15:08:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:08:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:08:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:08:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:08:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:08:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:08:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:08:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:08:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:08:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:08:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:08:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:08:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:08:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:08:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:08:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:08:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:08:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:08:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:08:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:08:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:08:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:08:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:08:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:08:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:08:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:08:26,853 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:08:26,853 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:08:26,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:08:26 BoogieIcfgContainer [2019-10-07 15:08:26,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:08:26,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:08:26,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:08:26,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:08:26,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:08:20" (1/3) ... [2019-10-07 15:08:26,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2325c33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:08:26, skipping insertion in model container [2019-10-07 15:08:26,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:08:21" (2/3) ... [2019-10-07 15:08:26,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2325c33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:08:26, skipping insertion in model container [2019-10-07 15:08:26,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:08:26" (3/3) ... [2019-10-07 15:08:26,864 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product31.cil.c [2019-10-07 15:08:26,874 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:08:26,884 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:08:26,896 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:08:26,926 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:08:26,926 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:08:26,927 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:08:26,927 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:08:26,927 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:08:26,927 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:08:26,927 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:08:26,927 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:08:26,956 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states. [2019-10-07 15:08:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 15:08:26,978 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:08:26,979 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:08:26,984 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:08:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:08:26,992 INFO L82 PathProgramCache]: Analyzing trace with hash 800009627, now seen corresponding path program 1 times [2019-10-07 15:08:27,002 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:08:27,002 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:08:27,003 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:08:27,003 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:08:27,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:08:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:08:27,600 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 15:08:27,601 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:08:27,601 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:08:27,602 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:08:27,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:08:27,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:08:27,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:08:27,624 INFO L87 Difference]: Start difference. First operand 413 states. Second operand 2 states. [2019-10-07 15:08:27,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:08:27,702 INFO L93 Difference]: Finished difference Result 634 states and 750 transitions. [2019-10-07 15:08:27,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:08:27,704 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-07 15:08:27,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:08:27,745 INFO L225 Difference]: With dead ends: 634 [2019-10-07 15:08:27,745 INFO L226 Difference]: Without dead ends: 392 [2019-10-07 15:08:27,758 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 15:08:27,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-10-07 15:08:27,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2019-10-07 15:08:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-10-07 15:08:27,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 463 transitions. [2019-10-07 15:08:27,908 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 463 transitions. Word has length 125 [2019-10-07 15:08:27,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:08:27,912 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 463 transitions. [2019-10-07 15:08:27,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:08:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 463 transitions. [2019-10-07 15:08:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-07 15:08:27,924 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:08:27,925 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:08:27,925 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:08:27,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:08:27,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1544480755, now seen corresponding path program 1 times [2019-10-07 15:08:27,927 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:08:27,927 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:08:27,927 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:08:27,927 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:08:27,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:08:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:08:28,167 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 15:08:28,167 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:08:28,167 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:08:28,168 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:08:28,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:08:28,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:08:28,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:08:28,171 INFO L87 Difference]: Start difference. First operand 392 states and 463 transitions. Second operand 3 states. [2019-10-07 15:08:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:08:28,239 INFO L93 Difference]: Finished difference Result 619 states and 721 transitions. [2019-10-07 15:08:28,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:08:28,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-07 15:08:28,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:08:28,246 INFO L225 Difference]: With dead ends: 619 [2019-10-07 15:08:28,246 INFO L226 Difference]: Without dead ends: 394 [2019-10-07 15:08:28,249 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 15:08:28,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-10-07 15:08:28,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2019-10-07 15:08:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-10-07 15:08:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 465 transitions. [2019-10-07 15:08:28,278 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 465 transitions. Word has length 126 [2019-10-07 15:08:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:08:28,279 INFO L462 AbstractCegarLoop]: Abstraction has 394 states and 465 transitions. [2019-10-07 15:08:28,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:08:28,279 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 465 transitions. [2019-10-07 15:08:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-07 15:08:28,286 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:08:28,286 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:08:28,286 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:08:28,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:08:28,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1794060348, now seen corresponding path program 1 times [2019-10-07 15:08:28,288 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:08:28,288 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:08:28,288 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:08:28,288 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:08:28,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:08:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:08:28,635 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 15:08:28,635 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:08:28,636 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:08:28,636 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:08:28,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:08:28,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:08:28,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:08:28,638 INFO L87 Difference]: Start difference. First operand 394 states and 465 transitions. Second operand 3 states. [2019-10-07 15:08:28,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:08:28,689 INFO L93 Difference]: Finished difference Result 770 states and 937 transitions. [2019-10-07 15:08:28,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:08:28,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-07 15:08:28,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:08:28,694 INFO L225 Difference]: With dead ends: 770 [2019-10-07 15:08:28,694 INFO L226 Difference]: Without dead ends: 434 [2019-10-07 15:08:28,696 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 15:08:28,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2019-10-07 15:08:28,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 433. [2019-10-07 15:08:28,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2019-10-07 15:08:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 533 transitions. [2019-10-07 15:08:28,715 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 533 transitions. Word has length 131 [2019-10-07 15:08:28,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:08:28,716 INFO L462 AbstractCegarLoop]: Abstraction has 433 states and 533 transitions. [2019-10-07 15:08:28,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:08:28,716 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 533 transitions. [2019-10-07 15:08:28,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 15:08:28,719 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:08:28,719 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:08:28,719 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:08:28,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:08:28,720 INFO L82 PathProgramCache]: Analyzing trace with hash 420623112, now seen corresponding path program 1 times [2019-10-07 15:08:28,720 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:08:28,720 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:08:28,720 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:08:28,720 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:08:28,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:08:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:08:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:08:28,910 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:08:28,910 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:08:28,910 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:08:28,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:08:28,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:08:28,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:08:28,912 INFO L87 Difference]: Start difference. First operand 433 states and 533 transitions. Second operand 3 states. [2019-10-07 15:08:28,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:08:28,958 INFO L93 Difference]: Finished difference Result 708 states and 849 transitions. [2019-10-07 15:08:28,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:08:28,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-07 15:08:28,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:08:28,964 INFO L225 Difference]: With dead ends: 708 [2019-10-07 15:08:28,964 INFO L226 Difference]: Without dead ends: 484 [2019-10-07 15:08:28,965 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 15:08:28,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-10-07 15:08:29,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2019-10-07 15:08:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-10-07 15:08:29,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 583 transitions. [2019-10-07 15:08:29,012 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 583 transitions. Word has length 132 [2019-10-07 15:08:29,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:08:29,014 INFO L462 AbstractCegarLoop]: Abstraction has 484 states and 583 transitions. [2019-10-07 15:08:29,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:08:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 583 transitions. [2019-10-07 15:08:29,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-07 15:08:29,019 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:08:29,019 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2019-10-07 15:08:29,019 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:08:29,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:08:29,020 INFO L82 PathProgramCache]: Analyzing trace with hash -145523589, now seen corresponding path program 1 times [2019-10-07 15:08:29,020 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:08:29,020 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:08:29,020 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:08:29,020 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:08:29,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:08:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:08:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 15:08:29,785 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:08:29,785 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:08:29,785 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 15:08:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:08:30,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 3347 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:08:30,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:08:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-07 15:08:30,719 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:08:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 15:08:31,363 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:08:31,398 INFO L162 IcfgInterpreter]: Started Sifa with 195 locations of interest [2019-10-07 15:08:31,398 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:08:31,412 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:08:31,428 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:08:31,428 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:09:50,546 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 710 [2019-10-07 15:09:55,673 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 343 DAG size of output: 279 [2019-10-07 15:09:56,156 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-10-07 15:09:56,549 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-10-07 15:09:56,874 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-10-07 15:09:57,056 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:09:57,755 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:09:58,486 WARN L191 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:09:59,156 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:09:59,324 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:09:59,981 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:10:01,249 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1059 DAG size of output: 1057 [2019-10-07 15:10:01,921 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:10:02,068 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:10:02,757 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:10:03,431 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:10:04,085 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:10:04,212 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:10:04,896 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:10:04,921 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 574 for LOIs [2019-10-07 15:10:05,290 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 15:10:05,429 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 15:10:05,555 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:10:06,047 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 976 [2019-10-07 15:10:06,048 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1101 for LOIs [2019-10-07 15:10:06,704 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:07,356 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:07,640 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:08,539 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:09,210 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:09,861 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:10,073 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:10,968 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:11,708 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:12,352 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:12,572 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:13,466 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:14,543 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1101 [2019-10-07 15:10:15,193 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:15,610 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:16,524 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:17,181 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:17,828 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:18,035 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:18,962 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:19,616 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:20,261 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:20,478 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:21,397 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:22,051 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:22,706 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:22,935 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:23,839 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:24,488 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:25,126 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:25,333 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:26,226 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:26,869 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:27,514 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:27,721 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:28,617 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:29,261 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:29,897 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:30,106 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:31,007 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:31,645 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:32,294 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:32,501 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:33,405 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:34,044 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:34,689 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:34,898 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:35,799 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:36,433 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:37,069 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:10:37,283 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:38,184 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:39,299 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:40,190 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:40,415 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:41,303 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:42,954 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1237 [2019-10-07 15:10:43,842 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:44,143 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:45,039 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:45,935 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:46,832 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:47,038 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:10:47,940 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:10:48,866 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:10:49,762 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:10:49,973 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:10:50,864 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:10:52,497 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1241 [2019-10-07 15:10:53,398 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:10:53,614 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:10:54,507 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:10:56,069 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1239 [2019-10-07 15:10:56,970 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:10:57,179 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:10:58,084 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:10:59,517 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 15:11:00,420 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 15:11:00,632 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:11:01,535 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 15:11:02,443 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:11:03,351 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:11:03,577 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:11:04,495 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:11:06,175 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1237 [2019-10-07 15:11:07,070 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:07,285 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:11:08,186 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:10,820 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1237 [2019-10-07 15:11:11,717 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:11,960 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:11:12,850 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:13,755 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:14,650 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:14,859 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:11:15,758 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:17,414 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1237 [2019-10-07 15:11:18,315 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:18,530 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:11:19,420 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:21,048 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1237 [2019-10-07 15:11:21,937 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:22,155 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:11:23,043 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:23,940 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:24,839 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:25,048 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:11:25,943 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:11:27,521 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1239 [2019-10-07 15:11:28,437 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:11:28,654 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:11:29,570 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:11:31,213 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1241 [2019-10-07 15:11:32,106 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:11:32,324 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:11:33,241 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:11:34,802 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1239 [2019-10-07 15:11:35,711 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:11:35,923 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:11:36,841 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:11:37,772 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 15:11:38,709 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 15:11:38,933 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:11:39,845 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 15:11:40,766 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:11:41,692 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:11:41,975 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:11:42,899 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:11:43,159 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:11:43,160 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 15:11:43,166 INFO L168 Benchmark]: Toolchain (without parser) took 202503.24 ms. Allocated memory was 137.4 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 98.4 MB in the beginning and 826.1 MB in the end (delta: -727.6 MB). Peak memory consumption was 327.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:11:43,167 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 15:11:43,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1113.39 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 98.0 MB in the beginning and 134.6 MB in the end (delta: -36.6 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:11:43,169 INFO L168 Benchmark]: Boogie Preprocessor took 201.74 ms. Allocated memory is still 204.5 MB. Free memory was 134.6 MB in the beginning and 125.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:11:43,169 INFO L168 Benchmark]: RCFGBuilder took 4875.73 ms. Allocated memory was 204.5 MB in the beginning and 291.5 MB in the end (delta: 87.0 MB). Free memory was 125.2 MB in the beginning and 239.3 MB in the end (delta: -114.0 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:11:43,170 INFO L168 Benchmark]: TraceAbstraction took 196308.16 ms. Allocated memory was 291.5 MB in the beginning and 1.2 GB in the end (delta: 900.7 MB). Free memory was 239.3 MB in the beginning and 826.1 MB in the end (delta: -586.8 MB). Peak memory consumption was 313.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:11:43,173 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 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1113.39 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 98.0 MB in the beginning and 134.6 MB in the end (delta: -36.6 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.74 ms. Allocated memory is still 204.5 MB. Free memory was 134.6 MB in the beginning and 125.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4875.73 ms. Allocated memory was 204.5 MB in the beginning and 291.5 MB in the end (delta: 87.0 MB). Free memory was 125.2 MB in the beginning and 239.3 MB in the end (delta: -114.0 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 196308.16 ms. Allocated memory was 291.5 MB in the beginning and 1.2 GB in the end (delta: 900.7 MB). Free memory was 239.3 MB in the beginning and 826.1 MB in the end (delta: -586.8 MB). Peak memory consumption was 313.9 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...