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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:02:44,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:02:44,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:02:44,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:02:44,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:02:44,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:02:44,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:02:44,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:02:44,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:02:44,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:02:45,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:02:45,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:02:45,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:02:45,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:02:45,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:02:45,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:02:45,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:02:45,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:02:45,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:02:45,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:02:45,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:02:45,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:02:45,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:02:45,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:02:45,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:02:45,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:02:45,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:02:45,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:02:45,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:02:45,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:02:45,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:02:45,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:02:45,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:02:45,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:02:45,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:02:45,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:02:45,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:02:45,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:02:45,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:02:45,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:02:45,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:02:45,052 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 15:02:45,067 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:02:45,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:02:45,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:02:45,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:02:45,069 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:02:45,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:02:45,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:02:45,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:02:45,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:02:45,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:02:45,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:02:45,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:02:45,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:02:45,071 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:02:45,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:02:45,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:02:45,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:02:45,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:02:45,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:02:45,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:02:45,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:02:45,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:02:45,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:02:45,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:02:45,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:02:45,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:02:45,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:02:45,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:02:45,074 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 15:02:45,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:02:45,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:02:45,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:02:45,406 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:02:45,406 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:02:45,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product30.cil.c [2019-10-07 15:02:45,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3277fa4a/19332e719c7c4ac8929c56054638f127/FLAG6b5cecbc6 [2019-10-07 15:02:46,118 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:02:46,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product30.cil.c [2019-10-07 15:02:46,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3277fa4a/19332e719c7c4ac8929c56054638f127/FLAG6b5cecbc6 [2019-10-07 15:02:46,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3277fa4a/19332e719c7c4ac8929c56054638f127 [2019-10-07 15:02:46,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:02:46,365 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:02:46,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:02:46,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:02:46,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:02:46,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:02:46" (1/1) ... [2019-10-07 15:02:46,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7156f2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:46, skipping insertion in model container [2019-10-07 15:02:46,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:02:46" (1/1) ... [2019-10-07 15:02:46,382 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:02:46,453 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:02:47,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:02:47,320 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:02:47,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:02:47,541 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:02:47,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:47 WrapperNode [2019-10-07 15:02:47,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:02:47,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:02:47,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:02:47,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:02:47,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:47" (1/1) ... [2019-10-07 15:02:47,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:47" (1/1) ... [2019-10-07 15:02:47,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:47" (1/1) ... [2019-10-07 15:02:47,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:47" (1/1) ... [2019-10-07 15:02:47,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:47" (1/1) ... [2019-10-07 15:02:47,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:47" (1/1) ... [2019-10-07 15:02:47,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:47" (1/1) ... [2019-10-07 15:02:47,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:02:47,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:02:47,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:02:47,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:02:47,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:47" (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 15:02:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:02:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:02:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:02:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:02:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:02:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:02:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:02:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:02:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:02:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:02:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:02:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:02:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:02:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:02:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:02:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:02:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:02:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:02:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:02:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:02:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:02:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:02:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:02:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:02:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:02:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:02:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:02:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:02:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:02:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:02:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:02:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:02:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:02:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:02:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:02:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:02:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:02:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:02:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:02:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:02:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:02:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:02:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:02:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:02:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:02:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:02:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:02:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:02:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:02:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:02:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:02:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:02:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:02:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:02:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:02:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:02:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:02:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:02:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:02:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:02:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:02:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:02:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:02:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:02:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:02:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:02:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 15:02:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:02:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:02:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:02:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:02:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:02:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:02:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:02:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:02:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:02:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:02:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:02:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:02:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:02:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:02:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:02:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 15:02:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 15:02:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:02:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:02:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:02:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:02:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:02:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:02:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:02:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:02:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:02:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:02:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:02:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:02:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:02:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:02:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:02:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:02:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:02:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:02:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:02:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:02:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:02:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:02:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:02:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:02:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:02:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:02:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:02:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:02:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:02:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:02:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:02:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:02:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:02:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:02:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:02:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:02:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:02:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:02:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:02:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:02:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:02:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:02:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:02:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:02:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:02:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:02:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:02:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:02:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:02:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:02:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:02:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:02:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:02:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:02:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:02:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:02:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:02:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:02:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:02:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:02:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:02:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:02:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:02:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:02:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:02:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:02:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:02:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:02:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:02:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:02:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:02:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:02:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:02:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:02:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:02:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:02:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:02:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:02:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:02:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:02:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:02:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:02:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:02:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:02:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:02:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 15:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:02:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 15:02:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 15:02:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:02:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:02:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:02:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:02:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:02:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:02:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:02:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:02:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:02:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:02:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:02:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:02:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:02:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:02:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:02:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:02:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:02:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:02:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:02:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:02:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:02:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:02:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:02:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:02:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:02:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:02:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:02:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:02:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:02:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:02:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:02:52,685 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:02:52,685 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:02:52,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:02:52 BoogieIcfgContainer [2019-10-07 15:02:52,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:02:52,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:02:52,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:02:52,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:02:52,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:02:46" (1/3) ... [2019-10-07 15:02:52,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ce7fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:02:52, skipping insertion in model container [2019-10-07 15:02:52,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:02:47" (2/3) ... [2019-10-07 15:02:52,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ce7fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:02:52, skipping insertion in model container [2019-10-07 15:02:52,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:02:52" (3/3) ... [2019-10-07 15:02:52,698 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product30.cil.c [2019-10-07 15:02:52,709 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:02:52,725 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:02:52,736 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:02:52,777 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:02:52,777 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:02:52,777 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:02:52,777 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:02:52,778 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:02:52,778 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:02:52,778 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:02:52,778 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:02:52,816 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states. [2019-10-07 15:02:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-07 15:02:52,838 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:02:52,839 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] [2019-10-07 15:02:52,842 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:02:52,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:02:52,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1899854720, now seen corresponding path program 1 times [2019-10-07 15:02:52,856 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:02:52,857 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:02:52,857 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:02:52,857 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:02:52,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:02:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:02:53,615 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 15:02:53,616 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:02:53,616 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:02:53,617 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:02:53,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:02:53,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:02:53,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:02:53,642 INFO L87 Difference]: Start difference. First operand 406 states. Second operand 2 states. [2019-10-07 15:02:53,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:02:53,712 INFO L93 Difference]: Finished difference Result 578 states and 687 transitions. [2019-10-07 15:02:53,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:02:53,714 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 147 [2019-10-07 15:02:53,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:02:53,733 INFO L225 Difference]: With dead ends: 578 [2019-10-07 15:02:53,733 INFO L226 Difference]: Without dead ends: 364 [2019-10-07 15:02:53,739 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 15:02:53,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-10-07 15:02:53,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2019-10-07 15:02:53,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2019-10-07 15:02:53,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 431 transitions. [2019-10-07 15:02:53,829 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 431 transitions. Word has length 147 [2019-10-07 15:02:53,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:02:53,831 INFO L462 AbstractCegarLoop]: Abstraction has 364 states and 431 transitions. [2019-10-07 15:02:53,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:02:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 431 transitions. [2019-10-07 15:02:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-07 15:02:53,844 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:02:53,844 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] [2019-10-07 15:02:53,845 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:02:53,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:02:53,846 INFO L82 PathProgramCache]: Analyzing trace with hash -983052683, now seen corresponding path program 1 times [2019-10-07 15:02:53,846 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:02:53,846 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:02:53,846 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:02:53,847 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:02:53,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:02:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:02:54,181 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 15:02:54,181 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:02:54,182 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:02:54,182 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:02:54,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:02:54,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:02:54,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:02:54,190 INFO L87 Difference]: Start difference. First operand 364 states and 431 transitions. Second operand 3 states. [2019-10-07 15:02:54,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:02:54,238 INFO L93 Difference]: Finished difference Result 563 states and 657 transitions. [2019-10-07 15:02:54,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:02:54,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-10-07 15:02:54,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:02:54,243 INFO L225 Difference]: With dead ends: 563 [2019-10-07 15:02:54,243 INFO L226 Difference]: Without dead ends: 366 [2019-10-07 15:02:54,246 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 15:02:54,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-10-07 15:02:54,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2019-10-07 15:02:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-10-07 15:02:54,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 433 transitions. [2019-10-07 15:02:54,294 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 433 transitions. Word has length 148 [2019-10-07 15:02:54,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:02:54,295 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 433 transitions. [2019-10-07 15:02:54,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:02:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 433 transitions. [2019-10-07 15:02:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-07 15:02:54,304 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:02:54,304 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:02:54,305 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:02:54,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:02:54,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1503953409, now seen corresponding path program 1 times [2019-10-07 15:02:54,305 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:02:54,305 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:02:54,306 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:02:54,306 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:02:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:02:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:02:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:02:54,713 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:02:54,714 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:02:54,714 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:02:54,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:02:54,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:02:54,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:02:54,717 INFO L87 Difference]: Start difference. First operand 366 states and 433 transitions. Second operand 3 states. [2019-10-07 15:02:54,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:02:54,773 INFO L93 Difference]: Finished difference Result 714 states and 873 transitions. [2019-10-07 15:02:54,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:02:54,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-07 15:02:54,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:02:54,778 INFO L225 Difference]: With dead ends: 714 [2019-10-07 15:02:54,778 INFO L226 Difference]: Without dead ends: 406 [2019-10-07 15:02:54,780 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 15:02:54,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2019-10-07 15:02:54,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 405. [2019-10-07 15:02:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2019-10-07 15:02:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 501 transitions. [2019-10-07 15:02:54,828 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 501 transitions. Word has length 157 [2019-10-07 15:02:54,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:02:54,829 INFO L462 AbstractCegarLoop]: Abstraction has 405 states and 501 transitions. [2019-10-07 15:02:54,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:02:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 501 transitions. [2019-10-07 15:02:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-07 15:02:54,837 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:02:54,838 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:02:54,838 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:02:54,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:02:54,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1864939964, now seen corresponding path program 1 times [2019-10-07 15:02:54,839 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:02:54,839 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:02:54,839 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:02:54,839 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:02:54,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:02:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:02:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:02:55,031 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:02:55,032 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:02:55,032 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:02:55,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:02:55,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:02:55,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:02:55,035 INFO L87 Difference]: Start difference. First operand 405 states and 501 transitions. Second operand 3 states. [2019-10-07 15:02:55,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:02:55,073 INFO L93 Difference]: Finished difference Result 828 states and 1072 transitions. [2019-10-07 15:02:55,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:02:55,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-07 15:02:55,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:02:55,078 INFO L225 Difference]: With dead ends: 828 [2019-10-07 15:02:55,079 INFO L226 Difference]: Without dead ends: 481 [2019-10-07 15:02:55,080 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 15:02:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2019-10-07 15:02:55,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 480. [2019-10-07 15:02:55,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2019-10-07 15:02:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 631 transitions. [2019-10-07 15:02:55,113 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 631 transitions. Word has length 158 [2019-10-07 15:02:55,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:02:55,115 INFO L462 AbstractCegarLoop]: Abstraction has 480 states and 631 transitions. [2019-10-07 15:02:55,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:02:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 631 transitions. [2019-10-07 15:02:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-07 15:02:55,118 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:02:55,119 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:02:55,119 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:02:55,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:02:55,119 INFO L82 PathProgramCache]: Analyzing trace with hash 617568791, now seen corresponding path program 1 times [2019-10-07 15:02:55,120 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:02:55,120 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:02:55,120 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:02:55,120 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:02:55,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:02:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:02:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:02:55,784 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:02:55,785 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:02:55,785 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-10-07 15:02:55,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-07 15:02:55,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-07 15:02:55,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2019-10-07 15:02:55,787 INFO L87 Difference]: Start difference. First operand 480 states and 631 transitions. Second operand 24 states. [2019-10-07 15:03:03,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:03,649 INFO L93 Difference]: Finished difference Result 1157 states and 1423 transitions. [2019-10-07 15:03:03,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-07 15:03:03,650 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 161 [2019-10-07 15:03:03,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:03,656 INFO L225 Difference]: With dead ends: 1157 [2019-10-07 15:03:03,656 INFO L226 Difference]: Without dead ends: 864 [2019-10-07 15:03:03,659 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=255, Invalid=2295, Unknown=0, NotChecked=0, Total=2550 [2019-10-07 15:03:03,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2019-10-07 15:03:03,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 855. [2019-10-07 15:03:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2019-10-07 15:03:03,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1055 transitions. [2019-10-07 15:03:03,709 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1055 transitions. Word has length 161 [2019-10-07 15:03:03,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:03,710 INFO L462 AbstractCegarLoop]: Abstraction has 855 states and 1055 transitions. [2019-10-07 15:03:03,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-07 15:03:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1055 transitions. [2019-10-07 15:03:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-07 15:03:03,714 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:03,714 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:03:03,714 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:03,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:03,715 INFO L82 PathProgramCache]: Analyzing trace with hash -198917089, now seen corresponding path program 1 times [2019-10-07 15:03:03,715 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:03,715 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:03,715 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:03,716 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:03,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:03:04,208 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:04,208 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:03:04,208 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 15:03:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:05,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 2833 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:03:05,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:03:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:03:05,175 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:03:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:03:05,466 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:03:05,500 INFO L162 IcfgInterpreter]: Started Sifa with 152 locations of interest [2019-10-07 15:03:05,500 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:03:05,507 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:03:05,516 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:03:05,516 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:04:33,171 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 711 [2019-10-07 15:04:37,993 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 343 DAG size of output: 279 [2019-10-07 15:04:38,379 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 756 [2019-10-07 15:04:38,709 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 756 [2019-10-07 15:04:39,012 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 756 [2019-10-07 15:04:39,178 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 15:04:39,884 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 15:04:40,616 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 15:04:41,285 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 15:04:41,485 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 15:04:42,136 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 15:04:43,447 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1061 DAG size of output: 1059 [2019-10-07 15:04:44,106 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 15:04:44,272 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 15:04:44,922 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 15:04:45,624 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 15:04:46,278 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 15:04:46,414 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 15:04:47,065 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 15:04:47,086 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 574 for LOIs [2019-10-07 15:04:47,420 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:04:47,533 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:04:47,667 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 15:04:48,182 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 15:04:48,184 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1098 for LOIs [2019-10-07 15:04:48,823 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:04:49,472 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:04:49,688 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:04:50,615 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:04:51,290 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:04:51,937 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:04:52,163 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:04:53,065 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:04:53,766 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:04:54,416 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:04:54,803 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:04:55,721 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:04:56,825 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1241 DAG size of output: 1098 [2019-10-07 15:04:57,468 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:04:57,704 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:04:58,620 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:04:59,284 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:04:59,924 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:00,152 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:01,067 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:01,707 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:02,342 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:02,559 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:03,479 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:04,115 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:04,765 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:04,977 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:05,883 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:06,518 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:07,157 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:07,370 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:08,284 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:08,924 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:09,579 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:09,795 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:10,711 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:11,366 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:12,006 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:12,228 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:13,154 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:13,793 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:14,444 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:14,663 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:15,600 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:16,250 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:16,904 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:17,119 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:18,031 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:18,670 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:19,302 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1098 [2019-10-07 15:05:19,518 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:20,449 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:21,420 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:22,348 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:22,577 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:23,501 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:25,222 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1241 DAG size of output: 1239 [2019-10-07 15:05:26,148 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:26,375 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:27,291 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:28,215 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:29,148 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:29,362 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:30,284 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:31,260 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:05:32,181 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:05:32,398 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 15:05:33,313 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:05:35,021 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1241 [2019-10-07 15:05:35,947 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:05:36,169 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 15:05:37,088 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:05:38,691 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1241 [2019-10-07 15:05:39,615 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:05:39,830 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 15:05:40,757 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:05:42,425 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:05:43,347 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:05:43,565 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 15:05:44,490 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:05:45,423 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:05:46,350 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:05:46,575 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 15:05:47,508 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1245 [2019-10-07 15:05:49,260 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1241 DAG size of output: 1239 [2019-10-07 15:05:50,169 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:50,390 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:51,313 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:53,812 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 1241 DAG size of output: 1239 [2019-10-07 15:05:54,725 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:54,959 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:55,881 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:56,799 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:57,719 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:05:57,932 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:05:58,839 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:06:00,538 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1241 DAG size of output: 1239 [2019-10-07 15:06:01,455 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:06:01,673 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:06:02,582 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:06:04,281 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1241 DAG size of output: 1239 [2019-10-07 15:06:05,203 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:06:05,427 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:06:06,344 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:06:07,249 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:06:08,159 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:06:08,370 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 15:06:09,277 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:06:10,230 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:06:11,151 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:06:11,372 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 15:06:12,287 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:06:13,879 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1241 [2019-10-07 15:06:14,800 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:06:15,019 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 15:06:15,940 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:06:17,534 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1241 [2019-10-07 15:06:18,456 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:06:18,672 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 15:06:19,592 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:06:21,189 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1241 [2019-10-07 15:06:22,114 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:06:22,364 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 15:06:23,288 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:06:24,880 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1247 DAG size of output: 1243 [2019-10-07 15:06:25,809 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:06:26,029 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 15:06:26,963 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1245 [2019-10-07 15:06:27,219 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:06:27,221 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 15:06:27,227 INFO L168 Benchmark]: Toolchain (without parser) took 220862.81 ms. Allocated memory was 137.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 99.2 MB in the beginning and 35.1 MB in the end (delta: 64.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-10-07 15:06:27,228 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:06:27,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1176.86 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.0 MB in the beginning and 135.0 MB in the end (delta: -36.1 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:27,229 INFO L168 Benchmark]: Boogie Preprocessor took 166.94 ms. Allocated memory is still 202.9 MB. Free memory was 135.0 MB in the beginning and 125.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:27,230 INFO L168 Benchmark]: RCFGBuilder took 4978.54 ms. Allocated memory was 202.9 MB in the beginning and 305.1 MB in the end (delta: 102.2 MB). Free memory was 125.7 MB in the beginning and 99.3 MB in the end (delta: 26.4 MB). Peak memory consumption was 128.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:27,231 INFO L168 Benchmark]: TraceAbstraction took 214535.30 ms. Allocated memory was 305.1 MB in the beginning and 1.2 GB in the end (delta: 861.9 MB). Free memory was 96.0 MB in the beginning and 35.1 MB in the end (delta: 60.9 MB). Peak memory consumption was 922.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:27,234 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1176.86 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.0 MB in the beginning and 135.0 MB in the end (delta: -36.1 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 166.94 ms. Allocated memory is still 202.9 MB. Free memory was 135.0 MB in the beginning and 125.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4978.54 ms. Allocated memory was 202.9 MB in the beginning and 305.1 MB in the end (delta: 102.2 MB). Free memory was 125.7 MB in the beginning and 99.3 MB in the end (delta: 26.4 MB). Peak memory consumption was 128.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 214535.30 ms. Allocated memory was 305.1 MB in the beginning and 1.2 GB in the end (delta: 861.9 MB). Free memory was 96.0 MB in the beginning and 35.1 MB in the end (delta: 60.9 MB). Peak memory consumption was 922.9 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...