java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec9_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:13:10,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:13:10,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:13:10,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:13:10,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:13:10,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:13:10,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:13:10,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:13:10,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:13:10,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:13:10,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:13:10,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:13:10,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:13:10,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:13:10,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:13:10,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:13:10,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:13:10,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:13:10,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:13:10,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:13:10,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:13:10,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:13:10,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:13:10,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:13:10,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:13:10,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:13:10,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:13:10,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:13:10,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:13:10,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:13:10,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:13:10,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:13:10,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:13:10,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:13:10,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:13:10,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:13:10,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:13:10,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:13:10,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:13:10,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:13:10,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:13:10,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:13:10,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:13:10,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:13:10,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:13:10,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:13:10,361 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:13:10,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:13:10,362 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:13:10,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:13:10,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:13:10,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:13:10,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:13:10,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:13:10,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:13:10,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:13:10,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:13:10,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:13:10,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:13:10,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:13:10,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:13:10,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:13:10,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:13:10,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:13:10,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:13:10,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:13:10,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:13:10,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:13:10,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:13:10,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:13:10,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:13:10,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:13:10,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:13:10,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:13:10,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:13:10,637 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:13:10,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product31.cil.c [2019-10-07 15:13:10,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/017e9b8df/aa173077fbe446c28e9f675ea9857710/FLAG525b79a78 [2019-10-07 15:13:11,348 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:13:11,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product31.cil.c [2019-10-07 15:13:11,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/017e9b8df/aa173077fbe446c28e9f675ea9857710/FLAG525b79a78 [2019-10-07 15:13:11,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/017e9b8df/aa173077fbe446c28e9f675ea9857710 [2019-10-07 15:13:11,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:13:11,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:13:11,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:13:11,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:13:11,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:13:11,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:13:11" (1/1) ... [2019-10-07 15:13:11,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138985dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:11, skipping insertion in model container [2019-10-07 15:13:11,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:13:11" (1/1) ... [2019-10-07 15:13:11,585 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:13:11,663 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:13:12,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:13:12,438 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:13:12,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:13:12,670 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:13:12,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:12 WrapperNode [2019-10-07 15:13:12,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:13:12,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:13:12,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:13:12,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:13:12,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:12" (1/1) ... [2019-10-07 15:13:12,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:12" (1/1) ... [2019-10-07 15:13:12,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:12" (1/1) ... [2019-10-07 15:13:12,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:12" (1/1) ... [2019-10-07 15:13:12,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:12" (1/1) ... [2019-10-07 15:13:12,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:12" (1/1) ... [2019-10-07 15:13:12,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:12" (1/1) ... [2019-10-07 15:13:12,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:13:12,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:13:12,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:13:12,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:13:12,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:13:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:13:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:13:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:13:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:13:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:13:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:13:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:13:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:13:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:13:12,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:13:12,996 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:13:12,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:13:12,996 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:13:12,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:13:12,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:13:12,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:13:12,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:13:12,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:13:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:13:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:13:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:13:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:13:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:13:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:13:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:13:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:13:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:13:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:13:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:13:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:13:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:13:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:13:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:13:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:13:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:13:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:13:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:13:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:13:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:13:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:13:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 15:13:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:13:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:13:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:13:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:13:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:13:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:13:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:13:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:13:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:13:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:13:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:13:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:13:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:13:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:13:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:13:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:13:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:13:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:13:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:13:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:13:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:13:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:13:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:13:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:13:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:13:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:13:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:13:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:13:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:13:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:13:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:13:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-07 15:13:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 15:13:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:13:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:13:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:13:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:13:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:13:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:13:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:13:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:13:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:13:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:13:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:13:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:13:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:13:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:13:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:13:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:13:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:13:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:13:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:13:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:13:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:13:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:13:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:13:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:13:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:13:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:13:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:13:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:13:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:13:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:13:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:13:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:13:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:13:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:13:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:13:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:13:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:13:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:13:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:13:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:13:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:13:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:13:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:13:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:13:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:13:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:13:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:13:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:13:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:13:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:13:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:13:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:13:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:13:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:13:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:13:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:13:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:13:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:13:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:13:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:13:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:13:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:13:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:13:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:13:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:13:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:13:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:13:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:13:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:13:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:13:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:13:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:13:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:13:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:13:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:13:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:13:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:13:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:13:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:13:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:13:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:13:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:13:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:13:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:13:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:13:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:13:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:13:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:13:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 15:13:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:13:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:13:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:13:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:13:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:13:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:13:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:13:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:13:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:13:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:13:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:13:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:13:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:13:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:13:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:13:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:13:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-07 15:13:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 15:13:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:13:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:13:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:13:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:13:17,636 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:13:17,636 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:13:17,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:13:17 BoogieIcfgContainer [2019-10-07 15:13:17,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:13:17,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:13:17,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:13:17,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:13:17,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:13:11" (1/3) ... [2019-10-07 15:13:17,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e95ccf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:13:17, skipping insertion in model container [2019-10-07 15:13:17,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:12" (2/3) ... [2019-10-07 15:13:17,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e95ccf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:13:17, skipping insertion in model container [2019-10-07 15:13:17,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:13:17" (3/3) ... [2019-10-07 15:13:17,646 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product31.cil.c [2019-10-07 15:13:17,655 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:13:17,664 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:13:17,676 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:13:17,705 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:13:17,705 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:13:17,706 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:13:17,706 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:13:17,706 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:13:17,706 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:13:17,706 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:13:17,706 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:13:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states. [2019-10-07 15:13:17,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 15:13:17,750 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:17,752 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:17,754 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:17,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:17,760 INFO L82 PathProgramCache]: Analyzing trace with hash -453097892, now seen corresponding path program 1 times [2019-10-07 15:13:17,769 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:17,769 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:17,770 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:17,770 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:18,350 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:18,351 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:18,352 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:13:18,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:13:18,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:13:18,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:13:18,376 INFO L87 Difference]: Start difference. First operand 413 states. Second operand 2 states. [2019-10-07 15:13:18,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:18,483 INFO L93 Difference]: Finished difference Result 634 states and 750 transitions. [2019-10-07 15:13:18,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:13:18,485 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-07 15:13:18,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:18,525 INFO L225 Difference]: With dead ends: 634 [2019-10-07 15:13:18,526 INFO L226 Difference]: Without dead ends: 392 [2019-10-07 15:13:18,536 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:13:18,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-10-07 15:13:18,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2019-10-07 15:13:18,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-10-07 15:13:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 463 transitions. [2019-10-07 15:13:18,639 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 463 transitions. Word has length 125 [2019-10-07 15:13:18,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:18,641 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 463 transitions. [2019-10-07 15:13:18,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:13:18,641 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 463 transitions. [2019-10-07 15:13:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-07 15:13:18,648 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:18,648 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:18,649 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:18,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:18,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1884440193, now seen corresponding path program 1 times [2019-10-07 15:13:18,650 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:18,650 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:18,650 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:18,650 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:18,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:18,958 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:18,958 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:18,958 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:18,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:18,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:18,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:18,964 INFO L87 Difference]: Start difference. First operand 392 states and 463 transitions. Second operand 3 states. [2019-10-07 15:13:19,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:19,034 INFO L93 Difference]: Finished difference Result 619 states and 721 transitions. [2019-10-07 15:13:19,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:19,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-07 15:13:19,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:19,046 INFO L225 Difference]: With dead ends: 619 [2019-10-07 15:13:19,046 INFO L226 Difference]: Without dead ends: 394 [2019-10-07 15:13:19,052 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:19,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-10-07 15:13:19,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2019-10-07 15:13:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-10-07 15:13:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 465 transitions. [2019-10-07 15:13:19,102 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 465 transitions. Word has length 126 [2019-10-07 15:13:19,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:19,105 INFO L462 AbstractCegarLoop]: Abstraction has 394 states and 465 transitions. [2019-10-07 15:13:19,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 465 transitions. [2019-10-07 15:13:19,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-07 15:13:19,113 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:19,113 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:19,113 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:19,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:19,114 INFO L82 PathProgramCache]: Analyzing trace with hash 2088132550, now seen corresponding path program 1 times [2019-10-07 15:13:19,114 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:19,114 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:19,114 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:19,115 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:19,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:19,356 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:19,356 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:19,356 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:19,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:19,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:19,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:19,358 INFO L87 Difference]: Start difference. First operand 394 states and 465 transitions. Second operand 3 states. [2019-10-07 15:13:19,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:19,403 INFO L93 Difference]: Finished difference Result 770 states and 937 transitions. [2019-10-07 15:13:19,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:19,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-07 15:13:19,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:19,412 INFO L225 Difference]: With dead ends: 770 [2019-10-07 15:13:19,413 INFO L226 Difference]: Without dead ends: 434 [2019-10-07 15:13:19,414 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:19,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2019-10-07 15:13:19,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 433. [2019-10-07 15:13:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2019-10-07 15:13:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 533 transitions. [2019-10-07 15:13:19,451 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 533 transitions. Word has length 131 [2019-10-07 15:13:19,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:19,451 INFO L462 AbstractCegarLoop]: Abstraction has 433 states and 533 transitions. [2019-10-07 15:13:19,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:19,452 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 533 transitions. [2019-10-07 15:13:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 15:13:19,457 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:19,457 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:19,458 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:19,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:19,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1271324716, now seen corresponding path program 1 times [2019-10-07 15:13:19,458 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:19,458 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:19,459 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:19,459 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:19,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:13:19,687 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:19,687 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:19,687 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:19,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:19,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:19,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:19,689 INFO L87 Difference]: Start difference. First operand 433 states and 533 transitions. Second operand 3 states. [2019-10-07 15:13:19,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:19,727 INFO L93 Difference]: Finished difference Result 708 states and 849 transitions. [2019-10-07 15:13:19,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:19,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-07 15:13:19,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:19,731 INFO L225 Difference]: With dead ends: 708 [2019-10-07 15:13:19,731 INFO L226 Difference]: Without dead ends: 484 [2019-10-07 15:13:19,732 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:19,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-10-07 15:13:19,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2019-10-07 15:13:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-10-07 15:13:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 583 transitions. [2019-10-07 15:13:19,755 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 583 transitions. Word has length 132 [2019-10-07 15:13:19,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:19,756 INFO L462 AbstractCegarLoop]: Abstraction has 484 states and 583 transitions. [2019-10-07 15:13:19,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 583 transitions. [2019-10-07 15:13:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-07 15:13:19,761 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:19,762 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:19,762 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:19,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:19,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1038853163, now seen corresponding path program 1 times [2019-10-07 15:13:19,763 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:19,763 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:19,763 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:19,763 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:19,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 15:13:20,637 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:20,637 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:13:20,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:13:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:21,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 3347 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:13:21,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:13:21,548 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-07 15:13:21,548 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:13:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 15:13:22,212 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:13:22,246 INFO L162 IcfgInterpreter]: Started Sifa with 195 locations of interest [2019-10-07 15:13:22,246 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:13:22,254 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:13:22,263 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:13:22,263 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:14:37,955 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 710 [2019-10-07 15:14:42,683 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 343 DAG size of output: 279 [2019-10-07 15:14:43,150 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-10-07 15:14:43,641 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-10-07 15:14:43,985 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-10-07 15:14:44,164 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:14:44,864 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:14:45,717 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:14:46,381 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:14:46,527 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:14:47,193 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:14:48,645 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1059 DAG size of output: 1057 [2019-10-07 15:14:49,294 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:14:49,444 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:14:50,074 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:14:50,729 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:14:51,368 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:14:51,494 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:14:52,139 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1057 [2019-10-07 15:14:52,179 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 574 for LOIs [2019-10-07 15:14:52,641 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 15:14:52,804 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 15:14:52,946 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:14:53,452 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 976 [2019-10-07 15:14:53,454 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1101 for LOIs [2019-10-07 15:14:54,080 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:14:54,725 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:14:54,944 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:14:55,834 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:14:56,492 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:14:57,131 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:14:57,366 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:14:58,260 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:14:59,057 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:14:59,685 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:14:59,907 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:00,797 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:01,920 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1101 [2019-10-07 15:15:02,559 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:02,993 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:03,913 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:04,559 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:05,195 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:05,407 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:06,320 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:06,957 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:07,595 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:07,811 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:08,739 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:09,373 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:10,013 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:10,228 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:11,134 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:11,761 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:12,394 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:12,627 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:13,532 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:14,172 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:14,800 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:15,010 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:15,920 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:16,558 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:17,193 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:17,401 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:18,305 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:18,951 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:19,588 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:19,797 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:20,692 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:21,321 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:21,956 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:22,167 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:23,076 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:23,708 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:24,349 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 15:15:24,559 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:25,466 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:26,424 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:27,316 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:27,538 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:28,433 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:30,155 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1237 [2019-10-07 15:15:31,053 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:31,278 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:32,178 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:33,084 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:33,981 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:34,195 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:35,098 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:36,039 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:36,947 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:37,174 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:38,070 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:38,986 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:39,895 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:40,117 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:41,016 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:41,912 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:42,819 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:43,031 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:43,932 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:45,346 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:15:46,241 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:15:46,455 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:47,349 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:48,246 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:49,141 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:15:49,356 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:50,265 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:15:52,833 WARN L191 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1237 [2019-10-07 15:15:53,724 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:53,953 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:54,858 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:56,518 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1237 [2019-10-07 15:15:57,413 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:57,664 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:58,569 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:15:59,475 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:16:00,389 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:16:00,599 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:16:01,515 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:16:03,200 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1237 [2019-10-07 15:16:04,095 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:16:04,320 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:16:05,221 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:16:06,884 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1239 DAG size of output: 1237 [2019-10-07 15:16:07,793 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:16:08,015 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:16:08,917 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:16:09,823 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:16:10,721 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:16:10,933 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:16:11,816 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 15:16:13,423 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1239 [2019-10-07 15:16:14,335 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:16:14,557 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:16:15,470 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:16:17,047 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1239 [2019-10-07 15:16:17,958 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:16:18,180 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:16:19,101 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:16:20,004 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:16:20,917 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 15:16:21,131 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:16:22,044 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:16:23,619 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1248 DAG size of output: 1241 [2019-10-07 15:16:24,530 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:16:24,774 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:16:25,702 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1241 [2019-10-07 15:16:27,371 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1243 [2019-10-07 15:16:28,275 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:16:28,498 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:16:29,413 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 15:16:29,675 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:16:29,676 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 15:16:29,683 INFO L168 Benchmark]: Toolchain (without parser) took 198113.31 ms. Allocated memory was 138.4 MB in the beginning and 558.4 MB in the end (delta: 420.0 MB). Free memory was 100.3 MB in the beginning and 60.7 MB in the end (delta: 39.6 MB). Peak memory consumption was 459.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:29,684 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 15:16:29,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1100.51 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 99.9 MB in the beginning and 131.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:29,685 INFO L168 Benchmark]: Boogie Preprocessor took 238.36 ms. Allocated memory is still 203.4 MB. Free memory was 131.4 MB in the beginning and 122.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:29,686 INFO L168 Benchmark]: RCFGBuilder took 4728.00 ms. Allocated memory was 203.4 MB in the beginning and 296.2 MB in the end (delta: 92.8 MB). Free memory was 121.5 MB in the beginning and 245.9 MB in the end (delta: -124.4 MB). Peak memory consumption was 137.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:29,686 INFO L168 Benchmark]: TraceAbstraction took 192042.10 ms. Allocated memory was 296.2 MB in the beginning and 558.4 MB in the end (delta: 262.1 MB). Free memory was 245.9 MB in the beginning and 60.7 MB in the end (delta: 185.2 MB). Peak memory consumption was 447.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:29,690 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1100.51 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 99.9 MB in the beginning and 131.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 238.36 ms. Allocated memory is still 203.4 MB. Free memory was 131.4 MB in the beginning and 122.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4728.00 ms. Allocated memory was 203.4 MB in the beginning and 296.2 MB in the end (delta: 92.8 MB). Free memory was 121.5 MB in the beginning and 245.9 MB in the end (delta: -124.4 MB). Peak memory consumption was 137.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 192042.10 ms. Allocated memory was 296.2 MB in the beginning and 558.4 MB in the end (delta: 262.1 MB). Free memory was 245.9 MB in the beginning and 60.7 MB in the end (delta: 185.2 MB). Peak memory consumption was 447.3 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...