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_spec9_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:13:41,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:13:41,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:13:41,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:13:41,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:13:41,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:13:41,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:13:41,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:13:41,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:13:41,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:13:41,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:13:41,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:13:41,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:13:41,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:13:41,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:13:41,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:13:41,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:13:41,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:13:41,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:13:41,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:13:41,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:13:41,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:13:41,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:13:41,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:13:41,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:13:41,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:13:41,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:13:41,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:13:41,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:13:41,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:13:41,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:13:41,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:13:41,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:13:41,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:13:41,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:13:41,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:13:41,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:13:41,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:13:41,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:13:41,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:13:41,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:13:41,764 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 15:13:41,787 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:13:41,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:13:41,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:13:41,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:13:41,789 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:13:41,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:13:41,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:13:41,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:13:41,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:13:41,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:13:41,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:13:41,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:13:41,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:13:41,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:13:41,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:13:41,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:13:41,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:13:41,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:13:41,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:13:41,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:13:41,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:13:41,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:13:41,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:13:41,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:13:41,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:13:41,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:13:41,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:13:41,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:13:41,796 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 15:13:42,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:13:42,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:13:42,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:13:42,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:13:42,097 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:13:42,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product34.cil.c [2019-10-07 15:13:42,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a8ba7c0a/62a8e3af1d754574b392cf14509ccb5a/FLAGd713e73bb [2019-10-07 15:13:42,798 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:13:42,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product34.cil.c [2019-10-07 15:13:42,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a8ba7c0a/62a8e3af1d754574b392cf14509ccb5a/FLAGd713e73bb [2019-10-07 15:13:43,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a8ba7c0a/62a8e3af1d754574b392cf14509ccb5a [2019-10-07 15:13:43,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:13:43,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:13:43,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:13:43,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:13:43,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:13:43,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:13:43" (1/1) ... [2019-10-07 15:13:43,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21180631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:43, skipping insertion in model container [2019-10-07 15:13:43,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:13:43" (1/1) ... [2019-10-07 15:13:43,052 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:13:43,123 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:13:44,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:13:44,070 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:13:44,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:13:44,326 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:13:44,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44 WrapperNode [2019-10-07 15:13:44,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:13:44,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:13:44,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:13:44,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:13:44,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:44,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:44,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:44,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:44,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:44,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:44,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:44,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:13:44,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:13:44,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:13:44,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:13:44,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (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 15:13:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:13:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:13:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:13:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:13:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:13:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:13:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:13:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:13:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 15:13:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 15:13:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:13:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:13:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:13:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:13:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:13:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:13:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:13:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:13:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:13:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:13:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:13:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:13:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:13:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:13:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:13:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:13:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:13:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:13:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:13:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:13:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:13:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:13:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:13:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:13:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:13:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:13:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:13:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:13:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:13:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:13:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:13:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:13:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:13:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:13:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:13:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:13:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:13:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:13:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:13:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:13:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:13:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:13:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:13:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:13:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:13:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:13:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:13:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:13:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:13:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:13:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:13:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:13:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:13:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:13:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:13:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:13:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:13:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:13:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:13:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:13:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:13:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:13:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:13:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:13:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:13:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 15:13:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:13:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:13:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:13:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 15:13:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:13:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:13:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:13:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:13:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:13:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:13:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:13:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:13:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:13:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:13:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:13:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:13:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:13:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:13:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:13:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:13:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:13:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:13:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:13:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:13:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:13:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:13:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:13:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:13:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:13:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:13:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:13:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:13:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:13:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:13:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:13:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:13:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:13:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:13:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:13:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:13:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:13:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:13:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:13:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:13:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:13:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:13:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:13:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:13:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:13:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:13:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:13:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:13:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:13:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:13:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:13:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:13:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:13:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:13:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:13:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:13:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:13:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:13:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:13:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:13:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:13:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:13:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:13:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:13:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:13:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:13:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:13:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:13:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:13:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:13:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:13:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:13:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:13:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 15:13:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 15:13:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:13:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:13:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:13:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:13:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:13:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:13:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:13:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:13:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:13:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:13:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:13:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:13:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:13:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:13:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:13:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:13:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:13:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:13:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:13:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:13:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:13:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:13:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:13:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:13:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:13:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:13:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:13:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:13:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:13:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:13:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:13:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:13:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:13:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:13:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:13:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:13:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:13:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:13:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:13:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:13:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:13:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:13:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:13:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:13:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:13:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:13:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:13:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:13:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:13:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:13:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:13:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:13:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:13:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:13:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:13:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:13:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:13:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:13:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:13:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:13:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:13:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:13:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:13:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:13:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:13:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:13:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:13:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:13:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:13:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:13:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:13:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:13:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:13:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:13:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:13:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:13:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 15:13:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:13:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 15:13:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:13:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:13:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:13:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:13:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:13:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:13:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:13:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:13:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:13:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:13:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:13:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:13:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:13:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:13:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:13:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:13:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:13:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:13:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:13:49,469 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:13:49,470 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:13:49,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:13:49 BoogieIcfgContainer [2019-10-07 15:13:49,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:13:49,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:13:49,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:13:49,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:13:49,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:13:43" (1/3) ... [2019-10-07 15:13:49,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a41e4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:13:49, skipping insertion in model container [2019-10-07 15:13:49,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (2/3) ... [2019-10-07 15:13:49,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a41e4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:13:49, skipping insertion in model container [2019-10-07 15:13:49,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:13:49" (3/3) ... [2019-10-07 15:13:49,482 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product34.cil.c [2019-10-07 15:13:49,495 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:13:49,504 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:13:49,514 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:13:49,543 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:13:49,544 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:13:49,544 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:13:49,544 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:13:49,544 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:13:49,544 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:13:49,544 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:13:49,545 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:13:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states. [2019-10-07 15:13:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 15:13:49,595 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:49,597 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:49,599 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:49,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:49,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1393384314, now seen corresponding path program 1 times [2019-10-07 15:13:49,615 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:49,615 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:49,616 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:49,616 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:49,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:50,237 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 15:13:50,238 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:50,239 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:50,239 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:13:50,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:13:50,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:13:50,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:13:50,264 INFO L87 Difference]: Start difference. First operand 458 states. Second operand 2 states. [2019-10-07 15:13:50,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:50,391 INFO L93 Difference]: Finished difference Result 698 states and 832 transitions. [2019-10-07 15:13:50,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:13:50,395 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-07 15:13:50,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:50,427 INFO L225 Difference]: With dead ends: 698 [2019-10-07 15:13:50,427 INFO L226 Difference]: Without dead ends: 431 [2019-10-07 15:13:50,439 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 15:13:50,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-10-07 15:13:50,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2019-10-07 15:13:50,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2019-10-07 15:13:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 510 transitions. [2019-10-07 15:13:50,528 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 510 transitions. Word has length 132 [2019-10-07 15:13:50,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:50,530 INFO L462 AbstractCegarLoop]: Abstraction has 431 states and 510 transitions. [2019-10-07 15:13:50,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:13:50,530 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 510 transitions. [2019-10-07 15:13:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 15:13:50,536 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:50,536 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:50,537 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:50,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:50,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1978603413, now seen corresponding path program 1 times [2019-10-07 15:13:50,538 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:50,538 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:50,538 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:50,538 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:50,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:50,828 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 15:13:50,829 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:50,829 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:50,829 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:50,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:50,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:50,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:50,833 INFO L87 Difference]: Start difference. First operand 431 states and 510 transitions. Second operand 3 states. [2019-10-07 15:13:50,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:50,913 INFO L93 Difference]: Finished difference Result 683 states and 800 transitions. [2019-10-07 15:13:50,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:50,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-07 15:13:50,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:50,921 INFO L225 Difference]: With dead ends: 683 [2019-10-07 15:13:50,921 INFO L226 Difference]: Without dead ends: 433 [2019-10-07 15:13:50,923 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 15:13:50,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-10-07 15:13:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2019-10-07 15:13:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2019-10-07 15:13:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 512 transitions. [2019-10-07 15:13:51,047 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 512 transitions. Word has length 133 [2019-10-07 15:13:51,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:51,048 INFO L462 AbstractCegarLoop]: Abstraction has 433 states and 512 transitions. [2019-10-07 15:13:51,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 512 transitions. [2019-10-07 15:13:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-07 15:13:51,055 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:51,055 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:51,055 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:51,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:51,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1691124703, now seen corresponding path program 1 times [2019-10-07 15:13:51,056 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:51,056 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:51,057 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:51,057 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:51,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:51,256 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 15:13:51,257 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:51,257 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:51,257 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:51,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:51,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:51,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:51,260 INFO L87 Difference]: Start difference. First operand 433 states and 512 transitions. Second operand 3 states. [2019-10-07 15:13:51,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:51,308 INFO L93 Difference]: Finished difference Result 850 states and 1034 transitions. [2019-10-07 15:13:51,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:51,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-07 15:13:51,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:51,313 INFO L225 Difference]: With dead ends: 850 [2019-10-07 15:13:51,314 INFO L226 Difference]: Without dead ends: 475 [2019-10-07 15:13:51,315 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 15:13:51,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2019-10-07 15:13:51,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 474. [2019-10-07 15:13:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2019-10-07 15:13:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 583 transitions. [2019-10-07 15:13:51,345 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 583 transitions. Word has length 138 [2019-10-07 15:13:51,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:51,346 INFO L462 AbstractCegarLoop]: Abstraction has 474 states and 583 transitions. [2019-10-07 15:13:51,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 583 transitions. [2019-10-07 15:13:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-07 15:13:51,353 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:51,353 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:51,354 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:51,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:51,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1314907059, now seen corresponding path program 1 times [2019-10-07 15:13:51,355 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:51,355 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:51,356 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:51,356 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:51,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:51,550 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:51,550 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:13:51,550 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 15:13:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:52,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 2900 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:13:52,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:13:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:52,566 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:13:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:52,871 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:13:52,922 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-07 15:13:52,922 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:13:52,939 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:13:52,950 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:13:52,951 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:15:24,456 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 733 [2019-10-07 15:15:30,509 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 368 DAG size of output: 299 [2019-10-07 15:15:30,935 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 784 [2019-10-07 15:15:31,351 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 784 [2019-10-07 15:15:31,676 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 784 [2019-10-07 15:15:31,890 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-10-07 15:15:32,617 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 15:15:33,331 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 15:15:34,052 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 15:15:34,229 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-10-07 15:15:34,905 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 15:15:36,506 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1090 [2019-10-07 15:15:37,205 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 15:15:37,368 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-10-07 15:15:38,034 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 15:15:38,728 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 15:15:39,422 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 15:15:39,576 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-10-07 15:15:40,263 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 15:15:40,291 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 586 for LOIs [2019-10-07 15:15:40,643 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 695 [2019-10-07 15:15:40,763 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 695 [2019-10-07 15:15:40,925 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-10-07 15:15:41,432 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1001 [2019-10-07 15:15:41,434 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1152 for LOIs [2019-10-07 15:15:42,091 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:42,757 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:43,049 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:15:44,140 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:15:44,845 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:45,522 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:45,790 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:15:46,862 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:15:47,591 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:48,245 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:48,560 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:15:49,654 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:15:50,798 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1356 DAG size of output: 1152 [2019-10-07 15:15:51,472 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:51,825 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:15:52,898 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:15:53,567 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:54,209 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:54,496 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:15:55,580 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:15:56,243 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:56,894 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:57,151 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:15:58,227 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:15:58,874 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:59,538 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:15:59,810 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:00,876 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:01,530 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:02,181 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:02,475 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:03,534 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:04,186 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:04,850 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:05,113 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:06,201 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:06,865 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:07,530 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:07,787 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:08,879 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:09,533 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:10,209 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:10,468 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:11,561 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:12,222 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:12,880 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:13,138 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:14,231 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:14,890 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:15,569 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2019-10-07 15:16:15,825 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:16,897 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:18,040 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:19,121 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:19,406 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:20,500 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:22,464 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1356 DAG size of output: 1354 [2019-10-07 15:16:23,560 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:23,839 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:24,923 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:26,023 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:27,108 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:27,363 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:28,435 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:29,631 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 1356 [2019-10-07 15:16:30,731 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1356 [2019-10-07 15:16:30,994 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:16:32,084 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:16:33,201 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:16:34,302 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:16:34,571 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:16:35,665 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:16:37,568 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1360 DAG size of output: 1356 [2019-10-07 15:16:38,670 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1356 [2019-10-07 15:16:38,936 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:16:40,037 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:16:42,022 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 1356 [2019-10-07 15:16:43,117 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1356 [2019-10-07 15:16:43,426 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:16:44,527 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:16:45,637 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:16:46,743 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:16:47,026 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:16:48,141 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1360 [2019-10-07 15:16:50,880 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1356 DAG size of output: 1354 [2019-10-07 15:16:51,995 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:52,277 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:53,372 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:56,404 WARN L191 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 1356 DAG size of output: 1354 [2019-10-07 15:16:57,498 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:16:57,849 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:16:58,940 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:00,056 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:01,194 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:01,466 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:17:02,576 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:04,633 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 1356 DAG size of output: 1354 [2019-10-07 15:17:05,734 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:06,009 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:17:07,116 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:09,117 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1356 DAG size of output: 1354 [2019-10-07 15:17:10,254 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:10,532 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:17:11,653 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:12,757 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:13,861 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:14,137 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 15:17:15,241 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 15:17:17,198 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1360 DAG size of output: 1356 [2019-10-07 15:17:18,312 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1356 [2019-10-07 15:17:18,584 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:17:19,713 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:17:20,840 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:17:21,935 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:17:22,214 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:17:23,322 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:17:25,185 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1360 DAG size of output: 1356 [2019-10-07 15:17:26,289 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1356 [2019-10-07 15:17:26,556 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:17:27,673 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:17:29,668 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1365 DAG size of output: 1358 [2019-10-07 15:17:30,775 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:17:31,081 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:17:32,200 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 15:17:34,204 WARN L191 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1367 DAG size of output: 1360 [2019-10-07 15:17:35,316 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1360 [2019-10-07 15:17:35,591 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:17:36,705 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1360 [2019-10-07 15:17:36,989 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:36,990 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 15:17:36,996 INFO L168 Benchmark]: Toolchain (without parser) took 233959.76 ms. Allocated memory was 138.4 MB in the beginning and 610.8 MB in the end (delta: 472.4 MB). Free memory was 100.7 MB in the beginning and 326.6 MB in the end (delta: -225.8 MB). Peak memory consumption was 246.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:36,997 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:17:36,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1290.68 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 132.3 MB in the end (delta: -31.8 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:36,998 INFO L168 Benchmark]: Boogie Preprocessor took 253.46 ms. Allocated memory is still 203.4 MB. Free memory was 132.3 MB in the beginning and 122.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:37,005 INFO L168 Benchmark]: RCFGBuilder took 4890.35 ms. Allocated memory was 203.4 MB in the beginning and 297.3 MB in the end (delta: 93.8 MB). Free memory was 122.5 MB in the beginning and 231.5 MB in the end (delta: -108.9 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:37,006 INFO L168 Benchmark]: TraceAbstraction took 227521.01 ms. Allocated memory was 297.3 MB in the beginning and 610.8 MB in the end (delta: 313.5 MB). Free memory was 231.5 MB in the beginning and 326.6 MB in the end (delta: -95.1 MB). Peak memory consumption was 218.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:37,010 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1290.68 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 132.3 MB in the end (delta: -31.8 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 253.46 ms. Allocated memory is still 203.4 MB. Free memory was 132.3 MB in the beginning and 122.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4890.35 ms. Allocated memory was 203.4 MB in the beginning and 297.3 MB in the end (delta: 93.8 MB). Free memory was 122.5 MB in the beginning and 231.5 MB in the end (delta: -108.9 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 227521.01 ms. Allocated memory was 297.3 MB in the beginning and 610.8 MB in the end (delta: 313.5 MB). Free memory was 231.5 MB in the beginning and 326.6 MB in the end (delta: -95.1 MB). Peak memory consumption was 218.4 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...