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_spec1_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:46:40,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:46:40,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:46:40,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:46:40,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:46:40,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:46:40,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:46:40,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:46:40,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:46:40,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:46:40,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:46:40,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:46:40,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:46:40,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:46:40,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:46:40,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:46:40,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:46:40,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:46:40,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:46:40,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:46:40,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:46:40,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:46:40,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:46:40,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:46:40,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:46:40,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:46:40,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:46:40,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:46:40,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:46:40,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:46:40,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:46:40,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:46:40,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:46:40,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:46:40,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:46:40,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:46:40,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:46:40,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:46:40,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:46:40,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:46:40,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:46:40,338 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 14:46:40,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:46:40,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:46:40,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:46:40,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:46:40,370 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:46:40,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:46:40,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:46:40,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:46:40,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:46:40,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:46:40,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:46:40,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:46:40,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:46:40,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:46:40,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:46:40,372 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:46:40,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:46:40,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:46:40,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:46:40,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:46:40,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:46:40,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:46:40,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:46:40,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:46:40,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:46:40,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:46:40,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:46:40,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:46:40,376 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 14:46:40,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:46:40,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:46:40,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:46:40,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:46:40,666 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:46:40,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product34.cil.c [2019-10-07 14:46:40,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732b4623e/7adc1502425b42fb937590a9107e767b/FLAG40e79ba3e [2019-10-07 14:46:41,311 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:46:41,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product34.cil.c [2019-10-07 14:46:41,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732b4623e/7adc1502425b42fb937590a9107e767b/FLAG40e79ba3e [2019-10-07 14:46:41,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732b4623e/7adc1502425b42fb937590a9107e767b [2019-10-07 14:46:41,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:46:41,561 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:46:41,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:41,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:46:41,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:46:41,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:41" (1/1) ... [2019-10-07 14:46:41,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3264c97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:41, skipping insertion in model container [2019-10-07 14:46:41,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:41" (1/1) ... [2019-10-07 14:46:41,582 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:46:41,678 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:46:42,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:42,542 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:46:42,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:42,757 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:46:42,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:42 WrapperNode [2019-10-07 14:46:42,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:42,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:46:42,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:46:42,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:46:42,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:42" (1/1) ... [2019-10-07 14:46:42,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:42" (1/1) ... [2019-10-07 14:46:42,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:42" (1/1) ... [2019-10-07 14:46:42,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:42" (1/1) ... [2019-10-07 14:46:42,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:42" (1/1) ... [2019-10-07 14:46:42,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:42" (1/1) ... [2019-10-07 14:46:42,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:42" (1/1) ... [2019-10-07 14:46:42,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:46:42,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:46:42,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:46:42,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:46:42,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:42" (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 14:46:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:46:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:46:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:46:43,056 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:46:43,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:43,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:43,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:43,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:46:43,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:46:43,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:46:43,059 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:46:43,059 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:46:43,060 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:46:43,060 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:46:43,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:46:43,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:46:43,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:46:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:46:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:46:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:46:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:46:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:46:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:46:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:46:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:46:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:46:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:46:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:46:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:46:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:46:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:46:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:46:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:46:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:46:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:46:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:46:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:46:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:46:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:46:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:46:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:46:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:46:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:46:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:46:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:46:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:46:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:46:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:46:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:46:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:46:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:46:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:46:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:46:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:46:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:46:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:46:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:46:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:46:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:46:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:46:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:46:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:46:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:46:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:46:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:46:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:46:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:46:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:46:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:46:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:46:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:46:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:46:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:46:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:46:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:46:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:46:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:46:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:46:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:46:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:46:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:46:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:46:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:46:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:46:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:46:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:46:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:46:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:46:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:46:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:46:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:46:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:46:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:46:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:46:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:46:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:46:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:46:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:46:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:46:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:46:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:46:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:46:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:46:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:46:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:46:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:46:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:46:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:46:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:46:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:46:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:46:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:46:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:46:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:46:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:46:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:46:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:46:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:46:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:46:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:46:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:46:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:46:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:46:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:46:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:46:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:46:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:46:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:46:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:46:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:46:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:46:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:46:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:46:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:46:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:46:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:46:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:46:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:46:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:46:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:46:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:46:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:46:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:46:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:46:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:46:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:46:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:46:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:46:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:46:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:46:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:46:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:46:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:46:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:46:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:46:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:46:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:46:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:46:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:46:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:46:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:46:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:46:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:46:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:46:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:46:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:46:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:46:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:46:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:46:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:46:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:46:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:46:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:46:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:46:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:46:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:46:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:46:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:46:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:46:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:46:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:46:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:46:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:46:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:46:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:46:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:46:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:46:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:46:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:46:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:46:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:46:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:46:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:46:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:46:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:46:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:46:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:46:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:46:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:46:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:46:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:46:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:46:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:46:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:46:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:46:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:46:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:46:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:46:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:46:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:46:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:46:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:46:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:46:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:46:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:46:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:46:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:46:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:46:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:46:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:46:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:46:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:46:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:46:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:46:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:46:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:46:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:46:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:46:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:46:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:46:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:46:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:46:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:46:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:46:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:46:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:46:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:46:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:46:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:46:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:46:47,717 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:46:47,718 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:46:47,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:47 BoogieIcfgContainer [2019-10-07 14:46:47,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:46:47,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:46:47,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:46:47,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:46:47,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:46:41" (1/3) ... [2019-10-07 14:46:47,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78af4969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:47, skipping insertion in model container [2019-10-07 14:46:47,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:42" (2/3) ... [2019-10-07 14:46:47,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78af4969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:47, skipping insertion in model container [2019-10-07 14:46:47,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:47" (3/3) ... [2019-10-07 14:46:47,735 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product34.cil.c [2019-10-07 14:46:47,743 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:46:47,753 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:46:47,762 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:46:47,794 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:46:47,794 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:46:47,794 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:46:47,794 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:46:47,794 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:46:47,795 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:46:47,795 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:46:47,795 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:46:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states. [2019-10-07 14:46:47,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 14:46:47,842 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:47,843 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:47,845 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:47,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:47,852 INFO L82 PathProgramCache]: Analyzing trace with hash 923290841, now seen corresponding path program 1 times [2019-10-07 14:46:47,860 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:47,861 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:47,861 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:47,861 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:47,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:48,412 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 14:46:48,413 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:48,414 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:48,414 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:46:48,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:46:48,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:46:48,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:46:48,435 INFO L87 Difference]: Start difference. First operand 455 states. Second operand 2 states. [2019-10-07 14:46:48,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:48,513 INFO L93 Difference]: Finished difference Result 692 states and 826 transitions. [2019-10-07 14:46:48,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:46:48,515 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-07 14:46:48,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:48,547 INFO L225 Difference]: With dead ends: 692 [2019-10-07 14:46:48,547 INFO L226 Difference]: Without dead ends: 428 [2019-10-07 14:46:48,552 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 14:46:48,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2019-10-07 14:46:48,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2019-10-07 14:46:48,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2019-10-07 14:46:48,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 507 transitions. [2019-10-07 14:46:48,632 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 507 transitions. Word has length 132 [2019-10-07 14:46:48,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:48,634 INFO L462 AbstractCegarLoop]: Abstraction has 428 states and 507 transitions. [2019-10-07 14:46:48,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:46:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 507 transitions. [2019-10-07 14:46:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 14:46:48,641 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:48,641 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:48,641 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:48,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:48,642 INFO L82 PathProgramCache]: Analyzing trace with hash 939154043, now seen corresponding path program 1 times [2019-10-07 14:46:48,642 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:48,642 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:48,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:48,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:48,880 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 14:46:48,880 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:48,881 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:48,881 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:48,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:48,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:48,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:48,883 INFO L87 Difference]: Start difference. First operand 428 states and 507 transitions. Second operand 3 states. [2019-10-07 14:46:48,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:48,928 INFO L93 Difference]: Finished difference Result 677 states and 794 transitions. [2019-10-07 14:46:48,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:48,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-07 14:46:48,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:48,933 INFO L225 Difference]: With dead ends: 677 [2019-10-07 14:46:48,933 INFO L226 Difference]: Without dead ends: 430 [2019-10-07 14:46:48,935 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 14:46:48,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2019-10-07 14:46:48,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2019-10-07 14:46:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2019-10-07 14:46:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 509 transitions. [2019-10-07 14:46:48,997 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 509 transitions. Word has length 133 [2019-10-07 14:46:48,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:48,998 INFO L462 AbstractCegarLoop]: Abstraction has 430 states and 509 transitions. [2019-10-07 14:46:48,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:48,998 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 509 transitions. [2019-10-07 14:46:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-07 14:46:49,007 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:49,007 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:49,008 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:49,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:49,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1860873538, now seen corresponding path program 1 times [2019-10-07 14:46:49,009 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:49,009 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:49,009 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:49,010 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:49,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:49,291 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 14:46:49,291 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:49,292 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:49,292 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:49,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:49,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:49,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:49,295 INFO L87 Difference]: Start difference. First operand 430 states and 509 transitions. Second operand 3 states. [2019-10-07 14:46:49,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:49,363 INFO L93 Difference]: Finished difference Result 844 states and 1028 transitions. [2019-10-07 14:46:49,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:49,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-07 14:46:49,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:49,367 INFO L225 Difference]: With dead ends: 844 [2019-10-07 14:46:49,368 INFO L226 Difference]: Without dead ends: 472 [2019-10-07 14:46:49,371 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 14:46:49,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-10-07 14:46:49,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 471. [2019-10-07 14:46:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2019-10-07 14:46:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 580 transitions. [2019-10-07 14:46:49,406 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 580 transitions. Word has length 138 [2019-10-07 14:46:49,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:49,407 INFO L462 AbstractCegarLoop]: Abstraction has 471 states and 580 transitions. [2019-10-07 14:46:49,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 580 transitions. [2019-10-07 14:46:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-07 14:46:49,410 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:49,410 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:49,411 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:49,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:49,411 INFO L82 PathProgramCache]: Analyzing trace with hash -2091075522, now seen corresponding path program 1 times [2019-10-07 14:46:49,411 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:49,411 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:49,412 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:49,412 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:49,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:46:50,112 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:50,112 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:46:50,112 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 14:46:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:50,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 2861 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:46:50,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:46:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:50,933 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:46:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:51,219 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:46:51,248 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-07 14:46:51,249 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:46:51,261 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:46:51,268 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:46:51,269 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:47:46,713 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 700 [2019-10-07 14:47:51,226 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 341 DAG size of output: 277 [2019-10-07 14:47:51,593 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-07 14:47:52,046 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-07 14:47:52,390 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-07 14:47:52,646 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:47:53,530 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:47:54,218 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:47:54,923 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:47:55,078 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:47:55,738 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:47:57,193 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1051 DAG size of output: 1049 [2019-10-07 14:47:57,949 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:47:58,136 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:47:58,769 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:47:59,411 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:48:00,063 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:48:00,219 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:48:00,853 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:48:00,878 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 14:48:01,235 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:48:01,343 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:48:01,484 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:48:01,962 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 966 [2019-10-07 14:48:01,963 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1110 for LOIs [2019-10-07 14:48:02,612 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:03,235 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:03,504 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:04,546 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:05,209 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:05,838 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:06,112 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:07,152 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:07,840 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:08,470 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:08,732 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:09,768 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:10,897 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1315 DAG size of output: 1110 [2019-10-07 14:48:11,529 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:12,138 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 653 [2019-10-07 14:48:13,181 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:13,827 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:14,450 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:14,710 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:15,749 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:16,389 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:17,020 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:17,296 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:18,347 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:18,971 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:19,604 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:19,866 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:20,928 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:21,551 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:22,180 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:22,451 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:23,492 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:24,116 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:24,745 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:25,002 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:26,051 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:26,675 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:27,297 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:27,554 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:28,602 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:29,228 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:29,855 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:30,113 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:31,153 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:31,779 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:32,402 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:32,662 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:33,694 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:34,315 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:34,935 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 14:48:35,190 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:36,236 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:37,364 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:38,411 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:38,696 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:39,732 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:41,685 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1315 DAG size of output: 1313 [2019-10-07 14:48:42,733 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:43,009 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:44,058 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:45,094 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:46,146 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:46,406 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:47,444 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:48:48,553 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:48:49,606 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:48:49,883 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:48:50,930 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:48:52,005 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:48:53,051 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:48:53,329 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:48:54,383 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:48:55,429 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:48:56,477 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:48:56,736 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:48:57,789 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:48:58,850 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:48:59,910 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:49:00,193 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:01,253 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:49:02,315 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1324 [2019-10-07 14:49:03,377 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1324 [2019-10-07 14:49:03,647 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:04,709 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1324 [2019-10-07 14:49:07,406 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 1315 DAG size of output: 1313 [2019-10-07 14:49:08,473 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:08,746 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:09,786 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:12,604 WARN L191 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 1315 DAG size of output: 1313 [2019-10-07 14:49:13,629 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:13,905 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:14,942 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:15,977 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:17,020 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:17,274 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:18,299 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:21,203 WARN L191 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 1315 DAG size of output: 1313 [2019-10-07 14:49:22,241 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:22,508 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:23,524 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:25,413 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1315 DAG size of output: 1313 [2019-10-07 14:49:26,446 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:26,709 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:27,744 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:28,768 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:29,803 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:30,057 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:31,080 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:49:32,974 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1319 DAG size of output: 1317 [2019-10-07 14:49:34,007 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:49:34,270 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:35,300 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:49:37,067 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1319 DAG size of output: 1315 [2019-10-07 14:49:38,086 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1315 [2019-10-07 14:49:38,348 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:39,365 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:49:41,090 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1319 DAG size of output: 1315 [2019-10-07 14:49:42,107 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1315 [2019-10-07 14:49:42,368 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:43,388 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:49:45,209 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1315 [2019-10-07 14:49:46,224 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1315 [2019-10-07 14:49:46,484 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:47,495 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:49:49,238 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1326 DAG size of output: 1317 [2019-10-07 14:49:50,246 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1317 [2019-10-07 14:49:50,615 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:51,633 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1319 [2019-10-07 14:49:51,902 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:49:51,903 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 14:49:51,909 INFO L168 Benchmark]: Toolchain (without parser) took 190348.02 ms. Allocated memory was 145.2 MB in the beginning and 1.1 GB in the end (delta: 969.9 MB). Free memory was 100.0 MB in the beginning and 998.3 MB in the end (delta: -898.3 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:51,910 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:49:51,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1192.11 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 99.8 MB in the beginning and 132.9 MB in the end (delta: -33.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:51,911 INFO L168 Benchmark]: Boogie Preprocessor took 210.29 ms. Allocated memory is still 203.9 MB. Free memory was 132.9 MB in the beginning and 123.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:51,912 INFO L168 Benchmark]: RCFGBuilder took 4750.09 ms. Allocated memory was 203.9 MB in the beginning and 295.2 MB in the end (delta: 91.2 MB). Free memory was 123.7 MB in the beginning and 238.3 MB in the end (delta: -114.6 MB). Peak memory consumption was 137.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:51,913 INFO L168 Benchmark]: TraceAbstraction took 184186.55 ms. Allocated memory was 295.2 MB in the beginning and 1.1 GB in the end (delta: 820.0 MB). Free memory was 238.3 MB in the beginning and 998.3 MB in the end (delta: -760.1 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:51,919 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1192.11 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 99.8 MB in the beginning and 132.9 MB in the end (delta: -33.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 210.29 ms. Allocated memory is still 203.9 MB. Free memory was 132.9 MB in the beginning and 123.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4750.09 ms. Allocated memory was 203.9 MB in the beginning and 295.2 MB in the end (delta: 91.2 MB). Free memory was 123.7 MB in the beginning and 238.3 MB in the end (delta: -114.6 MB). Peak memory consumption was 137.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 184186.55 ms. Allocated memory was 295.2 MB in the beginning and 1.1 GB in the end (delta: 820.0 MB). Free memory was 238.3 MB in the beginning and 998.3 MB in the end (delta: -760.1 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...