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_spec7_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:06:39,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:06:39,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:06:39,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:06:39,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:06:39,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:06:39,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:06:39,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:06:39,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:06:39,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:06:39,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:06:39,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:06:39,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:06:39,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:06:39,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:06:39,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:06:39,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:06:39,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:06:39,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:06:39,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:06:39,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:06:39,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:06:39,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:06:39,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:06:39,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:06:39,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:06:39,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:06:39,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:06:39,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:06:39,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:06:39,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:06:39,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:06:39,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:06:39,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:06:39,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:06:39,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:06:39,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:06:39,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:06:39,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:06:39,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:06:39,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:06:39,464 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:06:39,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:06:39,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:06:39,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:06:39,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:06:39,480 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:06:39,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:06:39,481 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:06:39,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:06:39,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:06:39,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:06:39,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:06:39,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:06:39,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:06:39,482 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:06:39,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:06:39,482 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:06:39,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:06:39,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:06:39,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:06:39,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:06:39,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:06:39,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:06:39,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:06:39,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:06:39,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:06:39,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:06:39,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:06:39,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:06:39,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:06:39,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:06:39,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:06:39,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:06:39,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:06:39,833 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:06:39,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c [2019-10-07 15:06:39,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3eb6a74/2a1ce50ed3254e419955936b4af025fc/FLAG3fe299724 [2019-10-07 15:06:40,503 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:06:40,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c [2019-10-07 15:06:40,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3eb6a74/2a1ce50ed3254e419955936b4af025fc/FLAG3fe299724 [2019-10-07 15:06:40,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3eb6a74/2a1ce50ed3254e419955936b4af025fc [2019-10-07 15:06:40,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:06:40,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:06:40,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:06:40,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:06:40,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:06:40,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:06:40" (1/1) ... [2019-10-07 15:06:40,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7492c7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:40, skipping insertion in model container [2019-10-07 15:06:40,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:06:40" (1/1) ... [2019-10-07 15:06:40,782 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:06:40,862 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:06:41,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:06:41,751 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:06:41,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:06:42,045 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:06:42,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:42 WrapperNode [2019-10-07 15:06:42,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:06:42,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:06:42,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:06:42,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:06:42,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:42" (1/1) ... [2019-10-07 15:06:42,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:42" (1/1) ... [2019-10-07 15:06:42,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:42" (1/1) ... [2019-10-07 15:06:42,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:42" (1/1) ... [2019-10-07 15:06:42,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:42" (1/1) ... [2019-10-07 15:06:42,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:42" (1/1) ... [2019-10-07 15:06:42,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:42" (1/1) ... [2019-10-07 15:06:42,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:06:42,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:06:42,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:06:42,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:06:42,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:06:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:06:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:06:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:06:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:06:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:06:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 15:06:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 15:06:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:06:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:06:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:06:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:06:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:06:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:06:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:06:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:06:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 15:06:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:06:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:06:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 15:06:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:06:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 15:06:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:06:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:06:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:06:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:06:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:06:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:06:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:06:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:06:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:06:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:06:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:06:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:06:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:06:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:06:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:06:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:06:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:06:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:06:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:06:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:06:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:06:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:06:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:06:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:06:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:06:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:06:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:06:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:06:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:06:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:06:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:06:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:06:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:06:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:06:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:06:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:06:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-07 15:06:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:06:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:06:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:06:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:06:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:06:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:06:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:06:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:06:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:06:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:06:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:06:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:06:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:06:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:06:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:06:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:06:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:06:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:06:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:06:42,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:06:42,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:06:42,389 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:06:42,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:06:42,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:06:42,389 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:06:42,389 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:06:42,389 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:06:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:06:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:06:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:06:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:06:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:06:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:06:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:06:42,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:06:42,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:06:42,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:06:42,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:06:42,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:06:42,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:06:42,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:06:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:06:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:06:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:06:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:06:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:06:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:06:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:06:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:06:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:06:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:06:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:06:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:06:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:06:42,395 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:06:42,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:06:42,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:06:42,395 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:06:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:06:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:06:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:06:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:06:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:06:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:06:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:06:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:06:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:06:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:06:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:06:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:06:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:06:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:06:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:06:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:06:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:06:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 15:06:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 15:06:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:06:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:06:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:06:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:06:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:06:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:06:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:06:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:06:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:06:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:06:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:06:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:06:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:06:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:06:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:06:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:06:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:06:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:06:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:06:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:06:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:06:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:06:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:06:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:06:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:06:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:06:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:06:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:06:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:06:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:06:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:06:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:06:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:06:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:06:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:06:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 15:06:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 15:06:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:06:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 15:06:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:06:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-07 15:06:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:06:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:06:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:06:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:06:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:06:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:06:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:06:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:06:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:06:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:06:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:06:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:06:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:06:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:06:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:06:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:06:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:06:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:06:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:06:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:06:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:06:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:06:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:06:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:06:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:06:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:06:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:06:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:06:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:06:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:06:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:06:42,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:06:42,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:06:42,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:06:42,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:06:42,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:06:42,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:06:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:06:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:06:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:06:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:06:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:06:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:06:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:06:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:06:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:06:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:06:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:06:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:06:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:06:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:06:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:06:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:06:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:06:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:06:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:06:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:06:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:06:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:06:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:06:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:06:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:06:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:06:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:06:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:06:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:06:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:06:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:06:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:06:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:06:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:06:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:06:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:06:47,183 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:06:47,184 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:06:47,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:06:47 BoogieIcfgContainer [2019-10-07 15:06:47,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:06:47,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:06:47,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:06:47,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:06:47,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:06:40" (1/3) ... [2019-10-07 15:06:47,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ee7050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:06:47, skipping insertion in model container [2019-10-07 15:06:47,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:42" (2/3) ... [2019-10-07 15:06:47,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ee7050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:06:47, skipping insertion in model container [2019-10-07 15:06:47,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:06:47" (3/3) ... [2019-10-07 15:06:47,198 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product35.cil.c [2019-10-07 15:06:47,208 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:06:47,223 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:06:47,241 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:06:47,270 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:06:47,271 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:06:47,271 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:06:47,271 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:06:47,271 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:06:47,271 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:06:47,271 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:06:47,272 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:06:47,312 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states. [2019-10-07 15:06:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 15:06:47,330 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:47,331 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:06:47,333 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:47,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:47,340 INFO L82 PathProgramCache]: Analyzing trace with hash -270206354, now seen corresponding path program 1 times [2019-10-07 15:06:47,349 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:47,349 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:47,350 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:47,350 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:47,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:06:48,124 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:48,124 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:48,125 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:06:48,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:06:48,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:06:48,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:06:48,147 INFO L87 Difference]: Start difference. First operand 475 states. Second operand 2 states. [2019-10-07 15:06:48,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:48,221 INFO L93 Difference]: Finished difference Result 725 states and 866 transitions. [2019-10-07 15:06:48,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:06:48,223 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-07 15:06:48,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:48,244 INFO L225 Difference]: With dead ends: 725 [2019-10-07 15:06:48,245 INFO L226 Difference]: Without dead ends: 448 [2019-10-07 15:06:48,254 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:06:48,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-10-07 15:06:48,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2019-10-07 15:06:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-10-07 15:06:48,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 529 transitions. [2019-10-07 15:06:48,406 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 529 transitions. Word has length 152 [2019-10-07 15:06:48,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:48,410 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 529 transitions. [2019-10-07 15:06:48,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:06:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 529 transitions. [2019-10-07 15:06:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 15:06:48,423 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:48,423 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:06:48,424 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:48,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:48,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1149042658, now seen corresponding path program 1 times [2019-10-07 15:06:48,425 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:48,425 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:48,425 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:48,425 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:48,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:06:48,738 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:48,738 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:48,739 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:06:48,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:06:48,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:06:48,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:06:48,747 INFO L87 Difference]: Start difference. First operand 448 states and 529 transitions. Second operand 3 states. [2019-10-07 15:06:48,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:48,831 INFO L93 Difference]: Finished difference Result 710 states and 831 transitions. [2019-10-07 15:06:48,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:06:48,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-07 15:06:48,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:48,843 INFO L225 Difference]: With dead ends: 710 [2019-10-07 15:06:48,843 INFO L226 Difference]: Without dead ends: 450 [2019-10-07 15:06:48,850 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:06:48,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-10-07 15:06:48,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2019-10-07 15:06:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-10-07 15:06:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 531 transitions. [2019-10-07 15:06:48,872 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 531 transitions. Word has length 153 [2019-10-07 15:06:48,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:48,873 INFO L462 AbstractCegarLoop]: Abstraction has 450 states and 531 transitions. [2019-10-07 15:06:48,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:06:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 531 transitions. [2019-10-07 15:06:48,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 15:06:48,877 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:48,877 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:06:48,878 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:48,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:48,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1628658684, now seen corresponding path program 1 times [2019-10-07 15:06:48,878 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:48,878 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:48,879 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:48,879 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:48,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:06:49,078 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:49,078 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:49,078 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:06:49,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:06:49,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:06:49,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:06:49,080 INFO L87 Difference]: Start difference. First operand 450 states and 531 transitions. Second operand 3 states. [2019-10-07 15:06:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:49,112 INFO L93 Difference]: Finished difference Result 886 states and 1075 transitions. [2019-10-07 15:06:49,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:06:49,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-07 15:06:49,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:49,119 INFO L225 Difference]: With dead ends: 886 [2019-10-07 15:06:49,119 INFO L226 Difference]: Without dead ends: 494 [2019-10-07 15:06:49,121 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:06:49,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-10-07 15:06:49,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 493. [2019-10-07 15:06:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-10-07 15:06:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 605 transitions. [2019-10-07 15:06:49,213 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 605 transitions. Word has length 165 [2019-10-07 15:06:49,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:49,217 INFO L462 AbstractCegarLoop]: Abstraction has 493 states and 605 transitions. [2019-10-07 15:06:49,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:06:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 605 transitions. [2019-10-07 15:06:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 15:06:49,223 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:49,224 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:06:49,224 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:49,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:49,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1850522383, now seen corresponding path program 1 times [2019-10-07 15:06:49,225 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:49,225 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:49,226 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:49,226 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:49,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:06:50,198 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:50,199 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:50,199 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-07 15:06:50,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-07 15:06:50,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-07 15:06:50,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2019-10-07 15:06:50,201 INFO L87 Difference]: Start difference. First operand 493 states and 605 transitions. Second operand 30 states. [2019-10-07 15:07:03,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:03,117 INFO L93 Difference]: Finished difference Result 1088 states and 1344 transitions. [2019-10-07 15:07:03,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-07 15:07:03,118 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 166 [2019-10-07 15:07:03,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:03,131 INFO L225 Difference]: With dead ends: 1088 [2019-10-07 15:07:03,133 INFO L226 Difference]: Without dead ends: 836 [2019-10-07 15:07:03,139 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=181, Invalid=2171, Unknown=0, NotChecked=0, Total=2352 [2019-10-07 15:07:03,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2019-10-07 15:07:03,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 824. [2019-10-07 15:07:03,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2019-10-07 15:07:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1020 transitions. [2019-10-07 15:07:03,198 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1020 transitions. Word has length 166 [2019-10-07 15:07:03,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:03,199 INFO L462 AbstractCegarLoop]: Abstraction has 824 states and 1020 transitions. [2019-10-07 15:07:03,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-07 15:07:03,199 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1020 transitions. [2019-10-07 15:07:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-07 15:07:03,203 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:03,204 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:07:03,204 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:03,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:03,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1944425368, now seen corresponding path program 1 times [2019-10-07 15:07:03,205 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:03,205 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:03,205 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:03,205 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:03,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:07:03,447 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:03,448 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:03,448 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:07:03,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:07:03,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:07:03,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:07:03,450 INFO L87 Difference]: Start difference. First operand 824 states and 1020 transitions. Second operand 10 states. [2019-10-07 15:07:03,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:03,515 INFO L93 Difference]: Finished difference Result 833 states and 1032 transitions. [2019-10-07 15:07:03,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:07:03,516 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2019-10-07 15:07:03,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:03,524 INFO L225 Difference]: With dead ends: 833 [2019-10-07 15:07:03,524 INFO L226 Difference]: Without dead ends: 830 [2019-10-07 15:07:03,526 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:07:03,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2019-10-07 15:07:03,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2019-10-07 15:07:03,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2019-10-07 15:07:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1027 transitions. [2019-10-07 15:07:03,569 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1027 transitions. Word has length 170 [2019-10-07 15:07:03,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:03,571 INFO L462 AbstractCegarLoop]: Abstraction has 830 states and 1027 transitions. [2019-10-07 15:07:03,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:07:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1027 transitions. [2019-10-07 15:07:03,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-07 15:07:03,574 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:03,574 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:07:03,575 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:03,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:03,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1990360587, now seen corresponding path program 1 times [2019-10-07 15:07:03,575 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:03,576 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:03,576 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:03,576 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:07:04,156 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:04,156 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:07:04,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:07:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:04,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 3059 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:07:04,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:07:04,904 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:07:04,904 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:07:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:07:05,150 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:07:05,183 INFO L162 IcfgInterpreter]: Started Sifa with 157 locations of interest [2019-10-07 15:07:05,184 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:07:05,192 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:07:05,207 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:07:05,207 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:08:16,033 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 698 [2019-10-07 15:08:20,330 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 329 DAG size of output: 267 [2019-10-07 15:08:20,766 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 744 [2019-10-07 15:08:21,150 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 744 [2019-10-07 15:08:21,419 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 744 [2019-10-07 15:08:21,604 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:08:22,284 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 15:08:22,996 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 15:08:23,677 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 15:08:23,835 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:08:24,545 WARN L191 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 15:08:25,801 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1044 DAG size of output: 1042 [2019-10-07 15:08:26,429 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 15:08:26,624 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:08:27,258 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 15:08:27,920 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 15:08:28,561 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 15:08:28,683 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:08:29,370 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 15:08:29,401 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 565 for LOIs [2019-10-07 15:08:29,847 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:08:29,963 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:08:30,103 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:08:30,593 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 961 [2019-10-07 15:08:30,594 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1106 for LOIs [2019-10-07 15:08:31,213 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:31,835 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:32,290 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:08:33,335 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:08:33,994 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:34,633 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:34,893 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:08:35,974 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:08:36,677 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:37,300 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:37,563 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:08:38,635 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:08:39,680 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1106 [2019-10-07 15:08:40,296 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:40,993 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 654 [2019-10-07 15:08:42,033 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:08:42,696 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:43,322 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:43,586 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:08:44,664 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:08:45,290 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:45,903 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:46,194 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:08:47,259 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:08:47,889 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:48,506 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:48,767 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:08:49,845 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:08:50,484 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:51,145 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:51,411 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:08:52,455 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:08:53,095 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:53,714 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:53,978 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:08:55,051 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:08:55,668 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:56,303 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:56,560 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:08:57,645 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:08:58,271 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:58,898 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:08:59,158 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:00,218 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:00,863 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:09:01,507 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:09:01,776 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:02,847 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:03,467 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:09:04,091 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:09:04,356 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:05,412 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:06,537 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:07,611 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:07,879 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:08,941 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:10,873 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1314 [2019-10-07 15:09:11,948 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:12,248 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:13,323 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:14,411 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:15,478 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:15,745 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:16,804 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:17,938 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 15:09:19,034 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 15:09:19,310 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 15:09:20,396 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:09:22,273 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1316 [2019-10-07 15:09:23,349 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 15:09:23,630 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 15:09:24,710 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:09:25,796 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 15:09:26,874 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 15:09:27,148 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 15:09:28,242 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:09:29,315 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 15:09:30,383 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 15:09:30,651 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 15:09:31,715 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:09:32,795 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:09:33,872 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:09:34,148 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 15:09:35,239 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1320 [2019-10-07 15:09:37,291 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1314 [2019-10-07 15:09:38,368 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:38,654 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:39,732 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:42,607 WARN L191 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1314 [2019-10-07 15:09:43,698 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:44,021 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:45,094 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:46,184 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:47,287 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:47,549 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:48,627 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:51,384 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1314 [2019-10-07 15:09:52,465 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:52,733 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:53,810 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:55,776 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1314 [2019-10-07 15:09:56,869 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:57,144 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:09:58,211 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:09:59,324 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:10:00,383 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:10:00,645 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 654 [2019-10-07 15:10:01,725 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 15:10:02,895 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:10:03,958 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:10:04,236 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 15:10:05,308 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:10:07,141 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1316 [2019-10-07 15:10:08,221 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 15:10:08,492 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 15:10:09,566 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:10:11,384 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1316 [2019-10-07 15:10:12,481 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 15:10:12,744 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 15:10:13,824 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:10:15,665 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1316 [2019-10-07 15:10:16,770 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1316 [2019-10-07 15:10:17,064 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 15:10:18,154 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:10:20,104 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1322 DAG size of output: 1318 [2019-10-07 15:10:21,176 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:10:21,458 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 15:10:22,542 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1320 [2019-10-07 15:10:22,837 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:10:22,838 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:10:22,845 INFO L168 Benchmark]: Toolchain (without parser) took 222087.03 ms. Allocated memory was 136.3 MB in the beginning and 1.0 GB in the end (delta: 899.2 MB). Free memory was 97.0 MB in the beginning and 741.3 MB in the end (delta: -644.3 MB). Peak memory consumption was 254.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:22,846 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:10:22,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.16 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 96.8 MB in the beginning and 127.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:22,848 INFO L168 Benchmark]: Boogie Preprocessor took 224.14 ms. Allocated memory is still 201.3 MB. Free memory was 127.4 MB in the beginning and 117.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:22,848 INFO L168 Benchmark]: RCFGBuilder took 4914.90 ms. Allocated memory was 201.3 MB in the beginning and 321.4 MB in the end (delta: 120.1 MB). Free memory was 117.9 MB in the beginning and 122.8 MB in the end (delta: -4.9 MB). Peak memory consumption was 115.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:22,849 INFO L168 Benchmark]: TraceAbstraction took 215655.13 ms. Allocated memory was 321.4 MB in the beginning and 1.0 GB in the end (delta: 714.1 MB). Free memory was 119.2 MB in the beginning and 741.3 MB in the end (delta: -622.1 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:22,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1288.16 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 96.8 MB in the beginning and 127.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 224.14 ms. Allocated memory is still 201.3 MB. Free memory was 127.4 MB in the beginning and 117.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4914.90 ms. Allocated memory was 201.3 MB in the beginning and 321.4 MB in the end (delta: 120.1 MB). Free memory was 117.9 MB in the beginning and 122.8 MB in the end (delta: -4.9 MB). Peak memory consumption was 115.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215655.13 ms. Allocated memory was 321.4 MB in the beginning and 1.0 GB in the end (delta: 714.1 MB). Free memory was 119.2 MB in the beginning and 741.3 MB in the end (delta: -622.1 MB). Peak memory consumption was 92.0 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...