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_spec6_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:00:53,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:00:53,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:00:53,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:00:53,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:00:53,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:00:53,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:00:53,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:00:53,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:00:53,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:00:53,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:00:53,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:00:53,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:00:53,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:00:53,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:00:53,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:00:53,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:00:53,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:00:53,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:00:53,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:00:53,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:00:53,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:00:53,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:00:53,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:00:53,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:00:53,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:00:53,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:00:53,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:00:53,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:00:53,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:00:53,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:00:53,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:00:53,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:00:53,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:00:53,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:00:53,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:00:53,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:00:53,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:00:53,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:00:53,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:00:53,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:00:53,105 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 15:00:53,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:00:53,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:00:53,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:00:53,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:00:53,143 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:00:53,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:00:53,143 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:00:53,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:00:53,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:00:53,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:00:53,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:00:53,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:00:53,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:00:53,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:00:53,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:00:53,145 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:00:53,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:00:53,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:00:53,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:00:53,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:00:53,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:00:53,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:00:53,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:00:53,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:00:53,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:00:53,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:00:53,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:00:53,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:00:53,148 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 15:00:53,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:00:53,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:00:53,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:00:53,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:00:53,435 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:00:53,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product22.cil.c [2019-10-07 15:00:53,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d69e0d3/f0251c42ebe845e890c9ed62c051328f/FLAGbfaad054a [2019-10-07 15:00:54,129 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:00:54,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product22.cil.c [2019-10-07 15:00:54,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d69e0d3/f0251c42ebe845e890c9ed62c051328f/FLAGbfaad054a [2019-10-07 15:00:54,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d69e0d3/f0251c42ebe845e890c9ed62c051328f [2019-10-07 15:00:54,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:00:54,370 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:00:54,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:00:54,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:00:54,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:00:54,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:00:54" (1/1) ... [2019-10-07 15:00:54,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7492c7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:54, skipping insertion in model container [2019-10-07 15:00:54,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:00:54" (1/1) ... [2019-10-07 15:00:54,386 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:00:54,460 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:00:55,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:00:55,228 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:00:55,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:00:55,481 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:00:55,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:55 WrapperNode [2019-10-07 15:00:55,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:00:55,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:00:55,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:00:55,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:00:55,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:55" (1/1) ... [2019-10-07 15:00:55,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:55" (1/1) ... [2019-10-07 15:00:55,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:55" (1/1) ... [2019-10-07 15:00:55,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:55" (1/1) ... [2019-10-07 15:00:55,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:55" (1/1) ... [2019-10-07 15:00:55,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:55" (1/1) ... [2019-10-07 15:00:55,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:55" (1/1) ... [2019-10-07 15:00:55,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:00:55,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:00:55,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:00:55,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:00:55,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:55" (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 15:00:55,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:00:55,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:00:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:00:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:00:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:00:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:00:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:00:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:00:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:00:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:00:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:00:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:00:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:00:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:00:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:00:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:00:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:00:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:00:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:00:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:00:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:00:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:00:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:00:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:00:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:00:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:00:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:00:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:00:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:00:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:00:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:00:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:00:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:00:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:00:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:00:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:00:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:00:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:00:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:00:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:00:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:00:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:00:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:00:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:00:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:00:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:00:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:00:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:00:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:00:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:00:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:00:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:00:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:00:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:00:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:00:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:00:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:00:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:00:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 15:00:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-07 15:00:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 15:00:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:00:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:00:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:00:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:00:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:00:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:00:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:00:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:00:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:00:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:00:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:00:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:00:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:00:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:00:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:00:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:00:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:00:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:00:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:00:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:00:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:00:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:00:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:00:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:00:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:00:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:00:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:00:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:00:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:00:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:00:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:00:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:00:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:00:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:00:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:00:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:00:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:00:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:00:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:00:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:00:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:00:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:00:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:00:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:00:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:00:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:00:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:00:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:00:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:00:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 15:00:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-07 15:00:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 15:00:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:00:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:00:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:00:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:00:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:00:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:00:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:01:00,882 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:01:00,883 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:01:00,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:01:00 BoogieIcfgContainer [2019-10-07 15:01:00,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:01:00,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:01:00,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:01:00,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:01:00,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:00:54" (1/3) ... [2019-10-07 15:01:00,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787ecf29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:01:00, skipping insertion in model container [2019-10-07 15:01:00,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:55" (2/3) ... [2019-10-07 15:01:00,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787ecf29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:01:00, skipping insertion in model container [2019-10-07 15:01:00,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:01:00" (3/3) ... [2019-10-07 15:01:00,893 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product22.cil.c [2019-10-07 15:01:00,903 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:01:00,914 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:01:00,926 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:01:00,964 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:01:00,964 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:01:00,965 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:01:00,965 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:01:00,965 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:01:00,965 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:01:00,965 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:01:00,965 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:01:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states. [2019-10-07 15:01:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 15:01:01,009 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:01:01,010 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] [2019-10-07 15:01:01,012 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:01:01,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:01:01,019 INFO L82 PathProgramCache]: Analyzing trace with hash -763452686, now seen corresponding path program 1 times [2019-10-07 15:01:01,028 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:01:01,028 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:01,029 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:01,029 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:01,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:01:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:01:01,670 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:01,671 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:01:01,671 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:01:01,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:01:01,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:01:01,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:01:01,696 INFO L87 Difference]: Start difference. First operand 379 states. Second operand 2 states. [2019-10-07 15:01:01,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:01:01,817 INFO L93 Difference]: Finished difference Result 559 states and 663 transitions. [2019-10-07 15:01:01,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:01:01,819 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-10-07 15:01:01,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:01:01,859 INFO L225 Difference]: With dead ends: 559 [2019-10-07 15:01:01,859 INFO L226 Difference]: Without dead ends: 358 [2019-10-07 15:01:01,871 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 15:01:01,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2019-10-07 15:01:01,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2019-10-07 15:01:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2019-10-07 15:01:02,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 423 transitions. [2019-10-07 15:01:02,005 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 423 transitions. Word has length 136 [2019-10-07 15:01:02,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:01:02,008 INFO L462 AbstractCegarLoop]: Abstraction has 358 states and 423 transitions. [2019-10-07 15:01:02,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:01:02,008 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 423 transitions. [2019-10-07 15:01:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-07 15:01:02,020 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:01:02,021 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] [2019-10-07 15:01:02,021 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:01:02,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:01:02,022 INFO L82 PathProgramCache]: Analyzing trace with hash -92199932, now seen corresponding path program 1 times [2019-10-07 15:01:02,023 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:01:02,023 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:02,023 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:02,023 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:02,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:01:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:01:02,354 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:02,355 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:01:02,355 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:01:02,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:01:02,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:01:02,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:01:02,361 INFO L87 Difference]: Start difference. First operand 358 states and 423 transitions. Second operand 3 states. [2019-10-07 15:01:02,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:01:02,420 INFO L93 Difference]: Finished difference Result 544 states and 634 transitions. [2019-10-07 15:01:02,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:01:02,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-07 15:01:02,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:01:02,426 INFO L225 Difference]: With dead ends: 544 [2019-10-07 15:01:02,426 INFO L226 Difference]: Without dead ends: 360 [2019-10-07 15:01:02,429 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 15:01:02,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2019-10-07 15:01:02,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2019-10-07 15:01:02,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-10-07 15:01:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2019-10-07 15:01:02,463 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 137 [2019-10-07 15:01:02,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:01:02,465 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2019-10-07 15:01:02,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:01:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2019-10-07 15:01:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 15:01:02,469 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:01:02,469 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:01:02,470 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:01:02,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:01:02,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1277255045, now seen corresponding path program 1 times [2019-10-07 15:01:02,470 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:01:02,471 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:02,471 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:02,471 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:02,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:01:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:02,765 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:01:02,765 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:02,765 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:01:02,766 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:01:02,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:01:02,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:01:02,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:01:02,767 INFO L87 Difference]: Start difference. First operand 360 states and 425 transitions. Second operand 3 states. [2019-10-07 15:01:02,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:01:02,804 INFO L93 Difference]: Finished difference Result 704 states and 860 transitions. [2019-10-07 15:01:02,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:01:02,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-07 15:01:02,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:01:02,811 INFO L225 Difference]: With dead ends: 704 [2019-10-07 15:01:02,811 INFO L226 Difference]: Without dead ends: 402 [2019-10-07 15:01:02,812 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 15:01:02,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-10-07 15:01:02,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 401. [2019-10-07 15:01:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-10-07 15:01:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 496 transitions. [2019-10-07 15:01:02,845 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 496 transitions. Word has length 149 [2019-10-07 15:01:02,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:01:02,846 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 496 transitions. [2019-10-07 15:01:02,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:01:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 496 transitions. [2019-10-07 15:01:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 15:01:02,851 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:01:02,852 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:01:02,852 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:01:02,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:01:02,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1409415301, now seen corresponding path program 1 times [2019-10-07 15:01:02,853 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:01:02,853 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:02,853 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:02,853 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:02,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:01:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:01:03,443 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:03,443 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:01:03,443 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-10-07 15:01:03,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-07 15:01:03,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-07 15:01:03,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2019-10-07 15:01:03,445 INFO L87 Difference]: Start difference. First operand 401 states and 496 transitions. Second operand 22 states. [2019-10-07 15:01:09,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:01:09,773 INFO L93 Difference]: Finished difference Result 1034 states and 1231 transitions. [2019-10-07 15:01:09,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-10-07 15:01:09,774 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 150 [2019-10-07 15:01:09,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:01:09,780 INFO L225 Difference]: With dead ends: 1034 [2019-10-07 15:01:09,780 INFO L226 Difference]: Without dead ends: 756 [2019-10-07 15:01:09,782 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=233, Invalid=1929, Unknown=0, NotChecked=0, Total=2162 [2019-10-07 15:01:09,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2019-10-07 15:01:09,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 747. [2019-10-07 15:01:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2019-10-07 15:01:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 886 transitions. [2019-10-07 15:01:09,827 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 886 transitions. Word has length 150 [2019-10-07 15:01:09,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:01:09,827 INFO L462 AbstractCegarLoop]: Abstraction has 747 states and 886 transitions. [2019-10-07 15:01:09,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-07 15:01:09,828 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 886 transitions. [2019-10-07 15:01:09,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-07 15:01:09,830 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:01:09,831 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:01:09,831 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:01:09,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:01:09,832 INFO L82 PathProgramCache]: Analyzing trace with hash 117140764, now seen corresponding path program 1 times [2019-10-07 15:01:09,832 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:01:09,832 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:09,832 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:09,832 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:09,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:01:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:10,477 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:01:10,478 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:10,478 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:01:10,478 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 15:01:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:11,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 2578 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:01:11,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:01:11,145 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:01:11,146 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:01:11,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:01:11,352 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:01:11,384 INFO L162 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-10-07 15:01:11,384 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:01:11,391 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:01:11,399 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:01:11,399 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:02:13,342 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 689 [2019-10-07 15:02:17,339 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 316 DAG size of output: 257 [2019-10-07 15:02:17,695 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 730 [2019-10-07 15:02:18,034 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 730 [2019-10-07 15:02:18,260 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 730 [2019-10-07 15:02:18,423 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 15:02:19,099 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1029 [2019-10-07 15:02:19,792 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1029 [2019-10-07 15:02:20,467 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1029 [2019-10-07 15:02:20,634 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 15:02:21,299 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1029 [2019-10-07 15:02:22,485 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1031 DAG size of output: 1029 [2019-10-07 15:02:23,104 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1029 [2019-10-07 15:02:23,265 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 15:02:23,883 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1029 [2019-10-07 15:02:24,516 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1029 [2019-10-07 15:02:25,117 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1029 [2019-10-07 15:02:25,247 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 15:02:25,880 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1029 [2019-10-07 15:02:25,904 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 562 for LOIs [2019-10-07 15:02:26,279 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 655 [2019-10-07 15:02:26,386 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 655 [2019-10-07 15:02:26,508 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 15:02:26,997 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 954 [2019-10-07 15:02:26,999 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1068 for LOIs [2019-10-07 15:02:27,588 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:28,228 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:28,430 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:29,285 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:29,895 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:30,523 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:30,803 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:31,659 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:32,322 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:32,923 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:33,152 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:33,992 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:34,975 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1068 [2019-10-07 15:02:35,571 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:35,835 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:36,682 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:37,296 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:37,894 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:38,200 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:39,040 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:39,665 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:40,257 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:40,462 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:41,304 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:41,908 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:42,532 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:42,743 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:43,581 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:44,180 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:44,777 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:44,976 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:45,824 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:46,431 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:47,034 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:47,232 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:48,078 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:48,694 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:49,294 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:49,495 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:50,331 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:50,949 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:51,542 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:51,753 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:52,604 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:53,200 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:53,811 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:54,004 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:54,857 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:55,447 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:56,058 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2019-10-07 15:02:56,258 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:57,095 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:57,983 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:58,838 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:02:59,048 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:02:59,865 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:01,413 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1197 [2019-10-07 15:03:02,282 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:02,491 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:03:03,336 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:04,186 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:05,004 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:05,201 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:03:06,026 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:06,904 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 15:03:07,721 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 15:03:07,917 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-10-07 15:03:08,732 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:10,272 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 15:03:11,086 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:11,290 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-10-07 15:03:12,119 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:13,527 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1199 [2019-10-07 15:03:14,354 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 15:03:14,555 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-10-07 15:03:15,405 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:16,874 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 15:03:17,715 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 15:03:17,912 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-10-07 15:03:18,749 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:19,577 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:20,418 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:20,624 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-10-07 15:03:21,464 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:03:24,123 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1197 [2019-10-07 15:03:24,934 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:25,142 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:03:25,955 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:27,458 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1197 [2019-10-07 15:03:28,267 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:28,492 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:03:29,323 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:30,129 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:30,933 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:31,128 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:03:31,954 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:33,452 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1197 [2019-10-07 15:03:34,263 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:34,461 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:03:35,293 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:36,769 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1197 [2019-10-07 15:03:37,602 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:37,801 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:03:38,604 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:39,409 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:40,217 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:40,408 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:03:41,225 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 15:03:42,772 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 15:03:43,601 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:43,804 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-10-07 15:03:44,646 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:46,148 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1199 [2019-10-07 15:03:46,967 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 15:03:47,169 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-10-07 15:03:48,001 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:49,466 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1199 [2019-10-07 15:03:50,270 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 15:03:50,461 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-10-07 15:03:51,275 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:52,750 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1199 [2019-10-07 15:03:53,560 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 15:03:53,797 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-10-07 15:03:54,620 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:56,032 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1205 DAG size of output: 1201 [2019-10-07 15:03:56,864 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:03:57,067 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2019-10-07 15:03:57,895 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:03:58,156 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:03:58,158 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 15:03:58,164 INFO L168 Benchmark]: Toolchain (without parser) took 183794.49 ms. Allocated memory was 145.8 MB in the beginning and 679.5 MB in the end (delta: 533.7 MB). Free memory was 101.3 MB in the beginning and 206.3 MB in the end (delta: -104.9 MB). Peak memory consumption was 428.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:58,165 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:03:58,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1111.51 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 101.1 MB in the beginning and 136.7 MB in the end (delta: -35.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:58,167 INFO L168 Benchmark]: Boogie Preprocessor took 224.83 ms. Allocated memory is still 204.5 MB. Free memory was 136.7 MB in the beginning and 127.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:58,167 INFO L168 Benchmark]: RCFGBuilder took 5176.63 ms. Allocated memory was 204.5 MB in the beginning and 288.4 MB in the end (delta: 83.9 MB). Free memory was 127.5 MB in the beginning and 236.0 MB in the end (delta: -108.5 MB). Peak memory consumption was 131.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:58,168 INFO L168 Benchmark]: TraceAbstraction took 177276.66 ms. Allocated memory was 288.4 MB in the beginning and 679.5 MB in the end (delta: 391.1 MB). Free memory was 233.0 MB in the beginning and 206.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 417.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:58,171 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1111.51 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 101.1 MB in the beginning and 136.7 MB in the end (delta: -35.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 224.83 ms. Allocated memory is still 204.5 MB. Free memory was 136.7 MB in the beginning and 127.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5176.63 ms. Allocated memory was 204.5 MB in the beginning and 288.4 MB in the end (delta: 83.9 MB). Free memory was 127.5 MB in the beginning and 236.0 MB in the end (delta: -108.5 MB). Peak memory consumption was 131.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 177276.66 ms. Allocated memory was 288.4 MB in the beginning and 679.5 MB in the end (delta: 391.1 MB). Free memory was 233.0 MB in the beginning and 206.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 417.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...