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_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:44:45,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:44:45,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:44:45,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:44:45,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:44:45,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:44:45,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:44:45,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:44:45,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:44:45,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:44:45,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:44:45,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:44:45,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:44:45,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:44:45,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:44:45,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:44:45,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:44:45,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:44:45,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:44:45,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:44:45,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:44:45,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:44:45,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:44:45,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:44:45,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:44:45,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:44:45,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:44:45,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:44:45,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:44:45,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:44:45,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:44:45,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:44:45,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:44:45,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:44:45,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:44:45,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:44:45,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:44:45,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:44:45,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:44:45,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:44:45,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:44:45,471 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 14:44:45,498 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:44:45,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:44:45,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:44:45,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:44:45,500 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:44:45,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:44:45,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:44:45,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:44:45,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:44:45,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:44:45,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:44:45,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:44:45,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:44:45,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:44:45,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:44:45,503 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:44:45,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:44:45,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:44:45,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:44:45,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:44:45,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:44:45,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:44:45,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:44:45,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:44:45,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:44:45,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:44:45,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:44:45,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:44:45,505 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 14:44:45,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:44:45,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:44:45,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:44:45,820 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:44:45,821 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:44:45,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2019-10-07 14:44:45,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36b95f372/009251a731ac4345b4cbd4c2f613a0f1/FLAG58e9e4741 [2019-10-07 14:44:46,526 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:44:46,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2019-10-07 14:44:46,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36b95f372/009251a731ac4345b4cbd4c2f613a0f1/FLAG58e9e4741 [2019-10-07 14:44:46,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36b95f372/009251a731ac4345b4cbd4c2f613a0f1 [2019-10-07 14:44:46,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:44:46,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:44:46,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:46,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:44:46,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:44:46,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:46" (1/1) ... [2019-10-07 14:44:46,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7789f9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:46, skipping insertion in model container [2019-10-07 14:44:46,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:46" (1/1) ... [2019-10-07 14:44:46,787 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:44:46,874 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:44:47,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:47,722 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:44:47,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:47,987 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:44:47,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:47 WrapperNode [2019-10-07 14:44:47,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:47,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:44:47,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:44:47,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:44:48,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:47" (1/1) ... [2019-10-07 14:44:48,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:47" (1/1) ... [2019-10-07 14:44:48,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:47" (1/1) ... [2019-10-07 14:44:48,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:47" (1/1) ... [2019-10-07 14:44:48,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:47" (1/1) ... [2019-10-07 14:44:48,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:47" (1/1) ... [2019-10-07 14:44:48,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:47" (1/1) ... [2019-10-07 14:44:48,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:44:48,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:44:48,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:44:48,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:44:48,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:44:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:44:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:44:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:44:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:44:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:44:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:44:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:44:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:44:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:44:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:44:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:44:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:44:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:44:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:44:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:44:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:44:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:44:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:44:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:44:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:44:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:44:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:44:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:44:48,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:44:48,321 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:44:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:44:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:44:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:44:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:44:48,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:44:48,323 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:44:48,324 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:44:48,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:48,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:48,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:48,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:44:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:44:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:44:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:44:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:44:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:44:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:44:48,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:44:48,326 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:44:48,326 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:44:48,326 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:44:48,326 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:44:48,326 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-07 14:44:48,326 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:44:48,327 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:44:48,327 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:44:48,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:44:48,327 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:44:48,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:44:48,327 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:44:48,327 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:44:48,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:44:48,328 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:44:48,329 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:44:48,329 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:44:48,329 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:44:48,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:44:48,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:44:48,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:44:48,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:44:48,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:44:48,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:44:48,330 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:44:48,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:44:48,331 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:44:48,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:44:48,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:44:48,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:44:48,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:44:48,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:44:48,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:44:48,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:44:48,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:44:48,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:44:48,332 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:44:48,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:44:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:44:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:44:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:44:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:44:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:44:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:44:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:44:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:44:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:44:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:44:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:44:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:44:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:44:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:44:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:44:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:44:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:44:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:44:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:44:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:44:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:44:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:44:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:44:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:44:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:44:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:44:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:44:48,337 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:44:48,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:44:48,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:44:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:44:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:44:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:44:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:44:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:44:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:44:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:44:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:44:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:44:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:44:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:44:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:44:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:44:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:44:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:44:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:44:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:44:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:44:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:44:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:44:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:44:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:44:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:44:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:44:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:44:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:44:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:44:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:44:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:44:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:44:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:44:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:44:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:44:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:44:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:44:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:44:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:44:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:44:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:44:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:44:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:44:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:44:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:44:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:44:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:44:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:44:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:44:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:44:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:44:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:44:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:44:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:44:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:44:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:44:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:44:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:44:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:44:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:44:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:44:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:44:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:44:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:44:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:44:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:44:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:44:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:44:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:44:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:44:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:44:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:44:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:44:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:44:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:44:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:44:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:44:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:44:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:44:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:44:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:44:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:44:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:44:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:44:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:44:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:44:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:44:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:44:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-07 14:44:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:44:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:44:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:44:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:44:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:44:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:44:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:44:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:44:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:44:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:44:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:44:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:44:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:44:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:44:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:44:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:44:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:44:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:44:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:44:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:44:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:44:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:44:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:44:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:44:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:44:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:44:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:44:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:44:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:44:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:44:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:44:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:44:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:44:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:44:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:44:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:44:52,880 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:44:52,880 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:44:52,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:52 BoogieIcfgContainer [2019-10-07 14:44:52,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:44:52,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:44:52,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:44:52,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:44:52,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:44:46" (1/3) ... [2019-10-07 14:44:52,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b30431e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:52, skipping insertion in model container [2019-10-07 14:44:52,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:47" (2/3) ... [2019-10-07 14:44:52,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b30431e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:52, skipping insertion in model container [2019-10-07 14:44:52,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:52" (3/3) ... [2019-10-07 14:44:52,891 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product21.cil.c [2019-10-07 14:44:52,901 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:44:52,911 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:44:52,921 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:44:52,952 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:44:52,953 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:44:52,953 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:44:52,953 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:44:52,953 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:44:52,954 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:44:52,954 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:44:52,954 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:44:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states. [2019-10-07 14:44:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 14:44:53,002 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:53,004 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] [2019-10-07 14:44:53,006 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:53,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:53,013 INFO L82 PathProgramCache]: Analyzing trace with hash 584179874, now seen corresponding path program 1 times [2019-10-07 14:44:53,023 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:53,023 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:53,023 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:53,024 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:53,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:53,726 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 14:44:53,726 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:53,727 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:53,727 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:44:53,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:44:53,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:44:53,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:44:53,749 INFO L87 Difference]: Start difference. First operand 393 states. Second operand 2 states. [2019-10-07 14:44:53,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:53,845 INFO L93 Difference]: Finished difference Result 568 states and 677 transitions. [2019-10-07 14:44:53,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:44:53,850 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-07 14:44:53,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:53,885 INFO L225 Difference]: With dead ends: 568 [2019-10-07 14:44:53,885 INFO L226 Difference]: Without dead ends: 366 [2019-10-07 14:44:53,897 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 14:44:53,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-10-07 14:44:54,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2019-10-07 14:44:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-10-07 14:44:54,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 433 transitions. [2019-10-07 14:44:54,015 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 433 transitions. Word has length 121 [2019-10-07 14:44:54,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:54,018 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 433 transitions. [2019-10-07 14:44:54,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:44:54,019 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 433 transitions. [2019-10-07 14:44:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-07 14:44:54,029 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:54,029 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] [2019-10-07 14:44:54,029 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:54,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:54,030 INFO L82 PathProgramCache]: Analyzing trace with hash -151420610, now seen corresponding path program 1 times [2019-10-07 14:44:54,030 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:54,030 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:54,031 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:54,031 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:54,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:54,344 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 14:44:54,344 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:54,345 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:54,345 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:54,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:54,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:54,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:54,355 INFO L87 Difference]: Start difference. First operand 366 states and 433 transitions. Second operand 3 states. [2019-10-07 14:44:54,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:54,419 INFO L93 Difference]: Finished difference Result 553 states and 646 transitions. [2019-10-07 14:44:54,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:54,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-07 14:44:54,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:54,425 INFO L225 Difference]: With dead ends: 553 [2019-10-07 14:44:54,425 INFO L226 Difference]: Without dead ends: 368 [2019-10-07 14:44:54,428 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 14:44:54,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-10-07 14:44:54,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2019-10-07 14:44:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2019-10-07 14:44:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 435 transitions. [2019-10-07 14:44:54,461 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 435 transitions. Word has length 122 [2019-10-07 14:44:54,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:54,462 INFO L462 AbstractCegarLoop]: Abstraction has 368 states and 435 transitions. [2019-10-07 14:44:54,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 435 transitions. [2019-10-07 14:44:54,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-07 14:44:54,465 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:54,466 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] [2019-10-07 14:44:54,466 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:54,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:54,466 INFO L82 PathProgramCache]: Analyzing trace with hash 268441917, now seen corresponding path program 1 times [2019-10-07 14:44:54,467 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:54,467 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:54,467 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:54,467 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:54,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:54,655 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 14:44:54,656 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:54,656 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:54,656 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:54,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:54,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:54,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:54,657 INFO L87 Difference]: Start difference. First operand 368 states and 435 transitions. Second operand 3 states. [2019-10-07 14:44:54,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:54,711 INFO L93 Difference]: Finished difference Result 720 states and 880 transitions. [2019-10-07 14:44:54,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:54,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-07 14:44:54,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:54,718 INFO L225 Difference]: With dead ends: 720 [2019-10-07 14:44:54,718 INFO L226 Difference]: Without dead ends: 410 [2019-10-07 14:44:54,720 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 14:44:54,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-10-07 14:44:54,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 409. [2019-10-07 14:44:54,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-10-07 14:44:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 506 transitions. [2019-10-07 14:44:54,772 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 506 transitions. Word has length 127 [2019-10-07 14:44:54,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:54,773 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 506 transitions. [2019-10-07 14:44:54,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:54,774 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 506 transitions. [2019-10-07 14:44:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 14:44:54,780 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:54,780 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] [2019-10-07 14:44:54,780 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:54,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:54,781 INFO L82 PathProgramCache]: Analyzing trace with hash -767103644, now seen corresponding path program 1 times [2019-10-07 14:44:54,781 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:54,781 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:54,781 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:54,781 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:55,097 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 14:44:55,097 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:55,097 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:44:55,098 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 14:44:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:55,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 2568 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:44:55,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:44:55,911 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 14:44:55,911 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:44:56,232 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 14:44:56,233 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:44:56,267 INFO L162 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-10-07 14:44:56,267 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:44:56,281 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:44:56,291 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:44:56,291 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:45:37,170 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 667 [2019-10-07 14:45:41,099 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2019-10-07 14:45:41,449 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 708 [2019-10-07 14:45:41,741 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 708 [2019-10-07 14:45:41,978 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 708 [2019-10-07 14:45:42,141 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:45:42,816 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 14:45:43,517 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 14:45:44,158 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 14:45:44,329 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:45:45,001 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 14:45:46,238 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1005 DAG size of output: 1003 [2019-10-07 14:45:46,904 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 14:45:47,073 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:45:47,706 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 14:45:48,322 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 14:45:48,961 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 14:45:49,092 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:45:49,713 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 14:45:49,740 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 550 for LOIs [2019-10-07 14:45:50,105 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:45:50,233 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:45:50,365 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:45:50,872 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 930 [2019-10-07 14:45:50,873 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1056 for LOIs [2019-10-07 14:45:51,471 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:52,112 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:52,375 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:53,366 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:45:53,975 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:54,578 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:54,906 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:55,923 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:45:56,551 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:57,168 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:57,431 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:45:58,447 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:45:59,493 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1056 [2019-10-07 14:46:00,113 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:00,396 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:01,423 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:02,066 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:02,676 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:02,936 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:04,000 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:04,612 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:05,211 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:05,470 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:06,454 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:07,062 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:07,679 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:07,925 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:08,909 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:09,524 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:10,119 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:10,377 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:11,370 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:11,984 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:12,582 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:12,849 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:13,837 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:14,435 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:15,024 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:15,290 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:16,296 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:16,878 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:17,484 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:17,739 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:18,733 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:19,337 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:19,934 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:20,181 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:21,170 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:21,767 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:22,373 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:46:22,623 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:23,624 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:24,715 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:25,691 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:25,956 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:26,945 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:28,825 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1243 [2019-10-07 14:46:29,768 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:30,033 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:30,991 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:31,978 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:32,980 WARN L191 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:33,234 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:34,192 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:35,235 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:46:36,217 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:46:36,481 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:37,459 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:46:38,694 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:46:39,653 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:46:39,954 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:40,947 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:46:41,926 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:46:42,885 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:46:43,141 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:44,100 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:46:45,097 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:46:46,053 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:46:46,323 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:47,300 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:46:48,257 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1254 [2019-10-07 14:46:49,223 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1254 [2019-10-07 14:46:49,483 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:46:50,454 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 1254 [2019-10-07 14:46:52,620 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1243 [2019-10-07 14:46:53,562 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:53,853 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:54,820 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:56,559 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1243 [2019-10-07 14:46:57,507 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:57,763 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:46:58,717 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:46:59,698 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:47:00,657 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:47:00,895 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:47:01,868 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:47:04,533 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1243 [2019-10-07 14:47:05,509 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:47:05,771 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:47:06,707 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:47:08,505 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1243 [2019-10-07 14:47:09,461 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:47:09,712 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:47:10,659 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:47:11,603 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:47:12,582 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:47:12,826 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-10-07 14:47:13,805 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 14:47:15,703 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:16,649 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:16,909 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:47:17,868 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:18,884 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:19,852 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:20,116 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:47:21,078 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:22,080 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:23,049 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:23,303 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:47:24,279 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:26,075 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1245 [2019-10-07 14:47:27,025 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1245 [2019-10-07 14:47:27,290 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:47:28,272 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:30,071 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1256 DAG size of output: 1247 [2019-10-07 14:47:31,029 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:47:31,305 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-10-07 14:47:32,259 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:47:32,538 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:47:32,540 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 14:47:32,547 INFO L168 Benchmark]: Toolchain (without parser) took 165779.02 ms. Allocated memory was 144.2 MB in the beginning and 775.4 MB in the end (delta: 631.2 MB). Free memory was 99.4 MB in the beginning and 144.0 MB in the end (delta: -44.6 MB). Peak memory consumption was 586.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,548 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1220.09 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.2 MB in the beginning and 134.6 MB in the end (delta: -35.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,550 INFO L168 Benchmark]: Boogie Preprocessor took 241.27 ms. Allocated memory is still 202.4 MB. Free memory was 134.6 MB in the beginning and 126.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,550 INFO L168 Benchmark]: RCFGBuilder took 4650.47 ms. Allocated memory was 202.4 MB in the beginning and 300.4 MB in the end (delta: 98.0 MB). Free memory was 126.0 MB in the beginning and 103.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,551 INFO L168 Benchmark]: TraceAbstraction took 159662.56 ms. Allocated memory was 300.4 MB in the beginning and 775.4 MB in the end (delta: 475.0 MB). Free memory was 103.1 MB in the beginning and 144.0 MB in the end (delta: -40.9 MB). Peak memory consumption was 434.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,554 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1220.09 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.2 MB in the beginning and 134.6 MB in the end (delta: -35.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 241.27 ms. Allocated memory is still 202.4 MB. Free memory was 134.6 MB in the beginning and 126.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4650.47 ms. Allocated memory was 202.4 MB in the beginning and 300.4 MB in the end (delta: 98.0 MB). Free memory was 126.0 MB in the beginning and 103.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 159662.56 ms. Allocated memory was 300.4 MB in the beginning and 775.4 MB in the end (delta: 475.0 MB). Free memory was 103.1 MB in the beginning and 144.0 MB in the end (delta: -40.9 MB). Peak memory consumption was 434.1 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...