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_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:55:36,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:55:36,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:55:36,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:55:36,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:55:36,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:55:36,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:55:36,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:55:36,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:55:36,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:55:36,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:55:36,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:55:36,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:55:36,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:55:36,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:55:36,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:55:36,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:55:36,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:55:36,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:55:36,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:55:36,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:55:36,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:55:36,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:55:36,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:55:36,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:55:36,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:55:36,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:55:36,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:55:36,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:55:36,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:55:36,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:55:36,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:55:36,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:55:36,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:55:36,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:55:36,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:55:36,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:55:36,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:55:36,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:55:36,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:55:36,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:55:36,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:55:36,443 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:55:36,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:55:36,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:55:36,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:55:36,445 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:55:36,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:55:36,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:55:36,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:55:36,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:55:36,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:55:36,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:55:36,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:55:36,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:55:36,447 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:55:36,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:55:36,447 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:55:36,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:55:36,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:55:36,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:55:36,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:55:36,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:55:36,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:55:36,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:55:36,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:55:36,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:55:36,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:55:36,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:55:36,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:55:36,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:55:36,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:55:36,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:55:36,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:55:36,747 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:55:36,747 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:55:36,748 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-10-07 14:55:36,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48bf9f701/416364e77f36423691e8240f8ef933bc/FLAG316436a0d [2019-10-07 14:55:37,578 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:55:37,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-10-07 14:55:37,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48bf9f701/416364e77f36423691e8240f8ef933bc/FLAG316436a0d [2019-10-07 14:55:37,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48bf9f701/416364e77f36423691e8240f8ef933bc [2019-10-07 14:55:37,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:55:37,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:55:37,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:55:37,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:55:37,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:55:37,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:55:37" (1/1) ... [2019-10-07 14:55:37,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4772fc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:37, skipping insertion in model container [2019-10-07 14:55:37,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:55:37" (1/1) ... [2019-10-07 14:55:37,709 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:55:37,803 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:55:38,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:55:38,791 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:55:38,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:55:39,159 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:55:39,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:39 WrapperNode [2019-10-07 14:55:39,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:55:39,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:55:39,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:55:39,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:55:39,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:39" (1/1) ... [2019-10-07 14:55:39,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:39" (1/1) ... [2019-10-07 14:55:39,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:39" (1/1) ... [2019-10-07 14:55:39,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:39" (1/1) ... [2019-10-07 14:55:39,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:39" (1/1) ... [2019-10-07 14:55:39,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:39" (1/1) ... [2019-10-07 14:55:39,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:39" (1/1) ... [2019-10-07 14:55:39,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:55:39,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:55:39,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:55:39,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:55:39,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:55:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:55:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:55:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:55:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-07 14:55:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-07 14:55:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-07 14:55:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-07 14:55:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-07 14:55:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-07 14:55:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:55:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-07 14:55:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-07 14:55:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:55:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:55:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:55:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:55:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:55:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:55:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:55:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:55:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:55:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:55:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:55:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:55:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:55:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:55:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:55:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:55:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-07 14:55:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-07 14:55:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-07 14:55:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-07 14:55:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-07 14:55:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-07 14:55:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:55:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:55:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-07 14:55:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-07 14:55:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-07 14:55:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-07 14:55:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-07 14:55:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-07 14:55:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-07 14:55:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-07 14:55:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:55:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:55:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:55:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:55:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:55:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:55:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:55:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:55:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:55:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:55:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:55:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:55:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:55:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:55:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:55:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:55:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:55:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:55:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:55:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:55:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:55:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:55:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:55:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:55:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:55:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:55:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:55:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:55:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:55:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:55:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:55:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:55:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:55:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:55:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:55:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:55:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:55:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:55:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:55:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:55:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:55:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:55:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:55:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:55:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:55:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:55:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:55:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:55:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:55:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:55:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:55:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:55:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:55:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:55:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:55:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:55:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:55:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:55:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:55:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:55:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:55:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:55:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:55:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:55:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:55:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-07 14:55:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-07 14:55:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:55:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-07 14:55:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-07 14:55:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:55:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-07 14:55:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-07 14:55:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:55:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:55:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:55:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:55:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:55:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:55:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:55:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:55:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:55:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:55:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:55:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:55:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:55:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:55:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:55:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:55:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:55:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:55:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:55:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:55:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:55:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:55:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:55:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:55:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:55:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:55:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:55:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:55:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:55:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:55:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:55:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:55:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:55:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:55:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:55:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:55:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-07 14:55:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:55:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-07 14:55:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-07 14:55:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-07 14:55:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-07 14:55:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-07 14:55:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-07 14:55:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-07 14:55:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:55:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:55:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:55:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:55:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:55:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:55:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:55:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:55:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:55:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:55:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:55:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:55:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:55:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:55:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:55:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:55:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:55:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:55:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:55:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:55:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:55:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:55:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:55:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:55:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:55:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:55:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:55:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:55:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:55:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:55:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:55:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:55:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:55:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:55:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:55:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:55:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:55:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:55:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:55:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:55:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:55:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:55:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:55:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:55:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:55:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:55:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:55:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:55:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-07 14:55:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-07 14:55:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-07 14:55:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-07 14:55:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-07 14:55:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-07 14:55:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-07 14:55:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-07 14:55:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-07 14:55:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-07 14:55:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-07 14:55:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-07 14:55:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-07 14:55:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-07 14:55:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:55:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:55:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:55:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:55:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:55:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:55:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:55:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:55:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:55:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:55:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:55:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:55:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:55:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:55:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:55:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:55:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:55:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:55:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:55:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:55:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:55:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:55:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:55:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:55:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:55:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:55:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:55:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:55:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:55:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:55:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:55:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:55:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:55:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:55:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:55:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:55:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:55:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:55:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:55:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:55:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:55:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:55:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:55:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:55:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:55:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:55:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:55:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-07 14:55:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-07 14:55:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-07 14:55:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-07 14:55:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-07 14:55:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-07 14:55:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:55:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:55:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:55:44,904 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:55:44,905 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:55:44,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:55:44 BoogieIcfgContainer [2019-10-07 14:55:44,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:55:44,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:55:44,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:55:44,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:55:44,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:55:37" (1/3) ... [2019-10-07 14:55:44,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26676960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:55:44, skipping insertion in model container [2019-10-07 14:55:44,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:39" (2/3) ... [2019-10-07 14:55:44,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26676960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:55:44, skipping insertion in model container [2019-10-07 14:55:44,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:55:44" (3/3) ... [2019-10-07 14:55:44,914 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2019-10-07 14:55:44,924 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:55:44,934 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:55:44,945 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:55:44,976 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:55:44,976 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:55:44,976 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:55:44,977 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:55:44,977 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:55:44,977 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:55:44,977 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:55:44,977 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:55:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states. [2019-10-07 14:55:45,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 14:55:45,033 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:45,034 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:45,036 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:45,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:45,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1628642802, now seen corresponding path program 1 times [2019-10-07 14:55:45,053 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:45,053 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:45,054 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:45,054 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:45,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:45,782 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 14:55:45,783 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:45,783 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:45,783 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:55:45,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:55:45,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:55:45,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:55:45,807 INFO L87 Difference]: Start difference. First operand 618 states. Second operand 6 states. [2019-10-07 14:55:46,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:46,067 INFO L93 Difference]: Finished difference Result 1158 states and 1464 transitions. [2019-10-07 14:55:46,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 14:55:46,069 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2019-10-07 14:55:46,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:46,110 INFO L225 Difference]: With dead ends: 1158 [2019-10-07 14:55:46,110 INFO L226 Difference]: Without dead ends: 591 [2019-10-07 14:55:46,124 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:55:46,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2019-10-07 14:55:46,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2019-10-07 14:55:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-10-07 14:55:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 730 transitions. [2019-10-07 14:55:46,275 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 730 transitions. Word has length 166 [2019-10-07 14:55:46,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:46,280 INFO L462 AbstractCegarLoop]: Abstraction has 591 states and 730 transitions. [2019-10-07 14:55:46,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:55:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 730 transitions. [2019-10-07 14:55:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-07 14:55:46,291 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:46,292 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:46,292 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:46,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:46,293 INFO L82 PathProgramCache]: Analyzing trace with hash -719402640, now seen corresponding path program 1 times [2019-10-07 14:55:46,294 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:46,294 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:46,294 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:46,294 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:46,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 14:55:46,663 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:46,664 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:46,664 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:55:46,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:55:46,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:55:46,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:55:46,667 INFO L87 Difference]: Start difference. First operand 591 states and 730 transitions. Second operand 4 states. [2019-10-07 14:55:47,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:47,475 INFO L93 Difference]: Finished difference Result 1144 states and 1434 transitions. [2019-10-07 14:55:47,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 14:55:47,476 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2019-10-07 14:55:47,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:47,481 INFO L225 Difference]: With dead ends: 1144 [2019-10-07 14:55:47,482 INFO L226 Difference]: Without dead ends: 591 [2019-10-07 14:55:47,484 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:55:47,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2019-10-07 14:55:47,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2019-10-07 14:55:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-10-07 14:55:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 723 transitions. [2019-10-07 14:55:47,515 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 723 transitions. Word has length 172 [2019-10-07 14:55:47,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:47,516 INFO L462 AbstractCegarLoop]: Abstraction has 591 states and 723 transitions. [2019-10-07 14:55:47,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:55:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 723 transitions. [2019-10-07 14:55:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-07 14:55:47,520 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:47,520 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:47,521 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:47,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:47,521 INFO L82 PathProgramCache]: Analyzing trace with hash -796029163, now seen corresponding path program 1 times [2019-10-07 14:55:47,522 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:47,522 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:47,522 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:47,522 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:47,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 14:55:47,715 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:47,719 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:47,720 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:55:47,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:55:47,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:55:47,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:47,722 INFO L87 Difference]: Start difference. First operand 591 states and 723 transitions. Second operand 3 states. [2019-10-07 14:55:47,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:47,977 INFO L93 Difference]: Finished difference Result 1138 states and 1412 transitions. [2019-10-07 14:55:47,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:55:47,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-07 14:55:47,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:47,987 INFO L225 Difference]: With dead ends: 1138 [2019-10-07 14:55:47,987 INFO L226 Difference]: Without dead ends: 589 [2019-10-07 14:55:47,990 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:47,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-10-07 14:55:48,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 589. [2019-10-07 14:55:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-10-07 14:55:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 716 transitions. [2019-10-07 14:55:48,128 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 716 transitions. Word has length 185 [2019-10-07 14:55:48,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:48,129 INFO L462 AbstractCegarLoop]: Abstraction has 589 states and 716 transitions. [2019-10-07 14:55:48,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:55:48,129 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 716 transitions. [2019-10-07 14:55:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 14:55:48,135 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:48,135 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:48,136 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:48,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:48,136 INFO L82 PathProgramCache]: Analyzing trace with hash 647393044, now seen corresponding path program 1 times [2019-10-07 14:55:48,136 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:48,137 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:48,137 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:48,137 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:48,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 14:55:48,311 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:48,311 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:48,311 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:55:48,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:55:48,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:55:48,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:55:48,313 INFO L87 Difference]: Start difference. First operand 589 states and 716 transitions. Second operand 4 states. [2019-10-07 14:55:49,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:49,055 INFO L93 Difference]: Finished difference Result 1123 states and 1363 transitions. [2019-10-07 14:55:49,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 14:55:49,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2019-10-07 14:55:49,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:49,060 INFO L225 Difference]: With dead ends: 1123 [2019-10-07 14:55:49,060 INFO L226 Difference]: Without dead ends: 594 [2019-10-07 14:55:49,062 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:55:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2019-10-07 14:55:49,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 588. [2019-10-07 14:55:49,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2019-10-07 14:55:49,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 700 transitions. [2019-10-07 14:55:49,094 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 700 transitions. Word has length 186 [2019-10-07 14:55:49,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:49,094 INFO L462 AbstractCegarLoop]: Abstraction has 588 states and 700 transitions. [2019-10-07 14:55:49,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:55:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 700 transitions. [2019-10-07 14:55:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-07 14:55:49,098 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:49,098 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:49,099 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:49,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:49,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1025401524, now seen corresponding path program 1 times [2019-10-07 14:55:49,100 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:49,100 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:49,100 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:49,100 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:49,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 14:55:49,374 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:49,374 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:49,374 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:55:49,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:55:49,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:55:49,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:49,376 INFO L87 Difference]: Start difference. First operand 588 states and 700 transitions. Second operand 3 states. [2019-10-07 14:55:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:49,410 INFO L93 Difference]: Finished difference Result 929 states and 1101 transitions. [2019-10-07 14:55:49,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:55:49,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2019-10-07 14:55:49,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:49,417 INFO L225 Difference]: With dead ends: 929 [2019-10-07 14:55:49,417 INFO L226 Difference]: Without dead ends: 590 [2019-10-07 14:55:49,419 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:49,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-10-07 14:55:49,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-10-07 14:55:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-10-07 14:55:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 702 transitions. [2019-10-07 14:55:49,452 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 702 transitions. Word has length 207 [2019-10-07 14:55:49,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:49,453 INFO L462 AbstractCegarLoop]: Abstraction has 590 states and 702 transitions. [2019-10-07 14:55:49,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:55:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 702 transitions. [2019-10-07 14:55:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-07 14:55:49,459 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:49,460 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:49,460 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:49,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:49,461 INFO L82 PathProgramCache]: Analyzing trace with hash 81128318, now seen corresponding path program 1 times [2019-10-07 14:55:49,461 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:49,461 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:49,462 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:49,462 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:49,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 14:55:49,686 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:49,686 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:49,686 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:55:49,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:55:49,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:55:49,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:49,688 INFO L87 Difference]: Start difference. First operand 590 states and 702 transitions. Second operand 3 states. [2019-10-07 14:55:49,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:49,729 INFO L93 Difference]: Finished difference Result 1126 states and 1372 transitions. [2019-10-07 14:55:49,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:55:49,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-10-07 14:55:49,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:49,734 INFO L225 Difference]: With dead ends: 1126 [2019-10-07 14:55:49,735 INFO L226 Difference]: Without dead ends: 644 [2019-10-07 14:55:49,737 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:49,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2019-10-07 14:55:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 643. [2019-10-07 14:55:49,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2019-10-07 14:55:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 789 transitions. [2019-10-07 14:55:49,770 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 789 transitions. Word has length 214 [2019-10-07 14:55:49,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:49,771 INFO L462 AbstractCegarLoop]: Abstraction has 643 states and 789 transitions. [2019-10-07 14:55:49,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:55:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 789 transitions. [2019-10-07 14:55:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-07 14:55:49,775 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:49,775 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:49,775 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:49,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1459539024, now seen corresponding path program 1 times [2019-10-07 14:55:49,776 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:49,776 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:49,776 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:49,777 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 14:55:50,588 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:50,588 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:50,588 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-07 14:55:50,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-07 14:55:50,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-07 14:55:50,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2019-10-07 14:55:50,590 INFO L87 Difference]: Start difference. First operand 643 states and 789 transitions. Second operand 30 states. [2019-10-07 14:56:16,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:56:16,313 INFO L93 Difference]: Finished difference Result 1936 states and 2376 transitions. [2019-10-07 14:56:16,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-10-07 14:56:16,314 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 215 [2019-10-07 14:56:16,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:56:16,324 INFO L225 Difference]: With dead ends: 1936 [2019-10-07 14:56:16,324 INFO L226 Difference]: Without dead ends: 1589 [2019-10-07 14:56:16,328 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=684, Invalid=4572, Unknown=0, NotChecked=0, Total=5256 [2019-10-07 14:56:16,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2019-10-07 14:56:16,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1578. [2019-10-07 14:56:16,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1578 states. [2019-10-07 14:56:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 1915 transitions. [2019-10-07 14:56:16,419 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 1915 transitions. Word has length 215 [2019-10-07 14:56:16,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:56:16,420 INFO L462 AbstractCegarLoop]: Abstraction has 1578 states and 1915 transitions. [2019-10-07 14:56:16,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-07 14:56:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 1915 transitions. [2019-10-07 14:56:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-07 14:56:16,425 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:56:16,426 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:56:16,426 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:56:16,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:56:16,426 INFO L82 PathProgramCache]: Analyzing trace with hash -2061568202, now seen corresponding path program 1 times [2019-10-07 14:56:16,427 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:56:16,427 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:56:16,427 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:56:16,427 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:56:16,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:56:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:56:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 14:56:17,195 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:56:17,195 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:56:17,195 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2019-10-07 14:56:17,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-10-07 14:56:17,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-10-07 14:56:17,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=916, Unknown=0, NotChecked=0, Total=992 [2019-10-07 14:56:17,197 INFO L87 Difference]: Start difference. First operand 1578 states and 1915 transitions. Second operand 32 states. [2019-10-07 14:56:45,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:56:45,517 INFO L93 Difference]: Finished difference Result 2830 states and 3437 transitions. [2019-10-07 14:56:45,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-10-07 14:56:45,518 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 222 [2019-10-07 14:56:45,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:56:45,530 INFO L225 Difference]: With dead ends: 2830 [2019-10-07 14:56:45,530 INFO L226 Difference]: Without dead ends: 1686 [2019-10-07 14:56:45,536 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1469 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=807, Invalid=5999, Unknown=0, NotChecked=0, Total=6806 [2019-10-07 14:56:45,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2019-10-07 14:56:45,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1664. [2019-10-07 14:56:45,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2019-10-07 14:56:45,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2031 transitions. [2019-10-07 14:56:45,644 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2031 transitions. Word has length 222 [2019-10-07 14:56:45,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:56:45,645 INFO L462 AbstractCegarLoop]: Abstraction has 1664 states and 2031 transitions. [2019-10-07 14:56:45,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-10-07 14:56:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2031 transitions. [2019-10-07 14:56:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-07 14:56:45,650 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:56:45,651 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:56:45,651 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:56:45,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:56:45,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1865978698, now seen corresponding path program 1 times [2019-10-07 14:56:45,652 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:56:45,652 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:56:45,652 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:56:45,652 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:56:45,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:56:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:56:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 14:56:45,876 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:56:45,877 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:56:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:56:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:56:46,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 3536 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:56:46,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:56:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 14:56:46,771 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:56:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 14:56:47,148 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:56:47,195 INFO L162 IcfgInterpreter]: Started Sifa with 196 locations of interest [2019-10-07 14:56:47,196 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:56:47,209 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:56:47,227 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:56:47,228 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:58:54,488 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 744 [2019-10-07 14:59:00,011 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 386 DAG size of output: 313 [2019-10-07 14:59:00,559 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 802 [2019-10-07 14:59:01,097 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 802 [2019-10-07 14:59:01,421 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 802 [2019-10-07 14:59:01,591 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:59:02,372 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:59:03,124 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:59:03,899 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:59:04,052 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:59:04,810 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:59:06,204 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1111 DAG size of output: 1109 [2019-10-07 14:59:06,945 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:59:07,093 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:59:07,817 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:59:08,595 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:59:09,302 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:59:09,436 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:59:10,172 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:59:10,205 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 589 for LOIs [2019-10-07 14:59:10,562 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 705 [2019-10-07 14:59:10,684 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 705 [2019-10-07 14:59:10,813 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:59:11,372 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 14:59:11,374 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1180 for LOIs [2019-10-07 14:59:12,059 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1180 [2019-10-07 14:59:12,776 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 1180 [2019-10-07 14:59:13,088 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:14,354 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:15,050 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1180 [2019-10-07 14:59:15,765 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 1180 [2019-10-07 14:59:16,144 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:17,364 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:18,152 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:18,843 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:19,179 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:20,887 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:22,095 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1427 DAG size of output: 1182 [2019-10-07 14:59:22,782 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:23,107 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:24,316 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:25,027 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:25,740 WARN L191 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:26,046 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:27,252 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:27,953 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:28,644 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:28,943 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:30,181 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:30,877 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:31,581 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:31,934 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:33,143 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:33,859 WARN L191 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:34,543 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:34,835 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:36,053 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:36,752 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:37,443 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:37,736 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:38,966 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:39,657 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:40,346 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:40,644 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:41,860 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:42,550 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:43,251 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:43,544 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:44,772 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:45,472 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:46,160 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:46,462 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:47,697 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:48,383 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:49,072 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1182 [2019-10-07 14:59:49,367 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:59:50,583 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1425 [2019-10-07 14:59:50,933 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:59:50,934 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: CallReturnSummary for callee select_one 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: CallReturnSummary for callee select_one 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.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:59:50,942 INFO L168 Benchmark]: Toolchain (without parser) took 253250.71 ms. Allocated memory was 136.3 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 97.1 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 540.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:50,944 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:59:50,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1468.05 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 96.9 MB in the beginning and 102.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:50,947 INFO L168 Benchmark]: Boogie Preprocessor took 236.66 ms. Allocated memory is still 201.3 MB. Free memory was 102.6 MB in the beginning and 92.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:50,948 INFO L168 Benchmark]: RCFGBuilder took 5506.54 ms. Allocated memory was 201.3 MB in the beginning and 313.0 MB in the end (delta: 111.7 MB). Free memory was 92.4 MB in the beginning and 230.5 MB in the end (delta: -138.1 MB). Peak memory consumption was 137.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:50,951 INFO L168 Benchmark]: TraceAbstraction took 246031.92 ms. Allocated memory was 313.0 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 230.5 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 497.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:50,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1468.05 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 96.9 MB in the beginning and 102.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 236.66 ms. Allocated memory is still 201.3 MB. Free memory was 102.6 MB in the beginning and 92.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5506.54 ms. Allocated memory was 201.3 MB in the beginning and 313.0 MB in the end (delta: 111.7 MB). Free memory was 92.4 MB in the beginning and 230.5 MB in the end (delta: -138.1 MB). Peak memory consumption was 137.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246031.92 ms. Allocated memory was 313.0 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 230.5 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 497.5 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: CallReturnSummary for callee select_one de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee select_one: 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...