/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:58:01,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:58:01,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:58:01,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:58:01,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:58:01,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:58:01,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:58:01,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:58:01,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:58:01,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:58:01,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:58:01,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:58:01,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:58:01,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:58:01,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:58:01,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:58:01,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:58:01,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:58:01,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:58:01,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:58:01,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:58:01,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:58:01,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:58:01,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:58:01,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:58:01,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:58:01,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:58:01,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:58:01,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:58:01,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:58:01,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:58:01,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:58:01,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:58:01,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:58:01,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:58:01,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:58:01,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:58:01,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:58:01,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:58:01,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:58:01,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:58:01,452 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 [2023-03-31 00:58:01,485 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:58:01,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:58:01,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:58:01,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:58:01,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:58:01,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:58:01,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:58:01,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:58:01,488 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:58:01,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:58:01,488 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:58:01,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:58:01,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:58:01,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:58:01,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:58:01,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:58:01,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:58:01,489 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:58:01,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:58:01,490 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:58:01,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:58:01,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:58:01,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:58:01,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:58:01,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:58:01,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:58:01,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:58:01,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:58:01,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:58:01,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:58:01,491 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:58:01,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:58:01,492 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:58:01,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:58:01,492 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:58:01,492 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:58:01,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:58:01,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:58:01,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:58:01,733 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:58:01,736 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:58:01,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2023-03-31 00:58:02,969 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:58:03,282 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:58:03,283 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2023-03-31 00:58:03,303 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4dc03a92/76edd61e6ab1468e9c8a7565c208b2c3/FLAG99811cff4 [2023-03-31 00:58:03,322 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4dc03a92/76edd61e6ab1468e9c8a7565c208b2c3 [2023-03-31 00:58:03,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:58:03,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:58:03,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:58:03,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:58:03,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:58:03,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:58:03" (1/1) ... [2023-03-31 00:58:03,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20928814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:03, skipping insertion in model container [2023-03-31 00:58:03,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:58:03" (1/1) ... [2023-03-31 00:58:03,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:58:03,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:58:03,684 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c[8480,8493] [2023-03-31 00:58:03,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:58:03,993 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:58:04,024 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c[8480,8493] [2023-03-31 00:58:04,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:58:04,099 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:58:04,106 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:58:04,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04 WrapperNode [2023-03-31 00:58:04,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:58:04,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:58:04,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:58:04,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:58:04,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04" (1/1) ... [2023-03-31 00:58:04,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04" (1/1) ... [2023-03-31 00:58:04,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04" (1/1) ... [2023-03-31 00:58:04,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04" (1/1) ... [2023-03-31 00:58:04,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04" (1/1) ... [2023-03-31 00:58:04,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04" (1/1) ... [2023-03-31 00:58:04,265 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04" (1/1) ... [2023-03-31 00:58:04,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04" (1/1) ... [2023-03-31 00:58:04,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:58:04,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:58:04,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:58:04,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:58:04,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04" (1/1) ... [2023-03-31 00:58:04,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:58:04,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:04,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 00:58:04,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 00:58:04,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:58:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:58:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:58:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:58:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-03-31 00:58:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:58:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:58:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:58:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:58:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:58:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:58:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:58:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:58:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:58:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:58:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:58:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:58:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:58:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:58:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:58:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:58:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:58:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:58:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:58:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:58:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:58:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:58:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:58:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:58:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:58:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:58:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:58:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:58:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:58:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:58:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:58:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:58:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:58:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:58:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:58:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:58:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:58:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:58:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:58:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:58:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:58:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:58:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 00:58:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:58:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 00:58:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:58:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 00:58:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:58:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:58:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:58:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:58:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:58:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 00:58:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 00:58:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 00:58:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 00:58:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 00:58:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 00:58:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 00:58:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 00:58:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 00:58:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 00:58:04,421 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 00:58:04,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 00:58:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:58:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:58:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:58:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:58:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:58:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:58:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:58:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:58:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-03-31 00:58:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:58:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:58:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:58:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:58:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:58:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:58:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:58:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:58:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:58:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:58:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:58:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:58:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:58:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:58:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:58:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 00:58:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 00:58:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 00:58:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 00:58:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 00:58:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 00:58:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 00:58:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 00:58:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 00:58:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:58:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 00:58:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 00:58:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 00:58:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 00:58:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 00:58:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:58:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:58:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:58:04,746 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:58:04,750 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:58:05,902 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:58:05,913 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:58:05,913 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:58:05,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:58:05 BoogieIcfgContainer [2023-03-31 00:58:05,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:58:05,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:58:05,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:58:05,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:58:05,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:58:03" (1/3) ... [2023-03-31 00:58:05,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abfd10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:58:05, skipping insertion in model container [2023-03-31 00:58:05,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:04" (2/3) ... [2023-03-31 00:58:05,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abfd10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:58:05, skipping insertion in model container [2023-03-31 00:58:05,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:58:05" (3/3) ... [2023-03-31 00:58:05,922 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product40.cil.c [2023-03-31 00:58:05,938 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:58:05,938 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:58:05,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:58:05,994 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c3aee55, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:58:05,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:58:06,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 511 states, 330 states have (on average 1.4515151515151514) internal successors, (479), 337 states have internal predecessors, (479), 106 states have call successors, (106), 69 states have call predecessors, (106), 69 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-03-31 00:58:06,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-03-31 00:58:06,020 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:06,021 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:06,021 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:06,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:06,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1646987685, now seen corresponding path program 1 times [2023-03-31 00:58:06,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:06,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544756060] [2023-03-31 00:58:06,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:06,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:58:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:58:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 00:58:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 00:58:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:58:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:58:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:58:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 00:58:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:07,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:07,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544756060] [2023-03-31 00:58:07,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544756060] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:07,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:07,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 00:58:07,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236818307] [2023-03-31 00:58:07,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:07,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 00:58:07,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:07,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 00:58:07,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-03-31 00:58:07,643 INFO L87 Difference]: Start difference. First operand has 511 states, 330 states have (on average 1.4515151515151514) internal successors, (479), 337 states have internal predecessors, (479), 106 states have call successors, (106), 69 states have call predecessors, (106), 69 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (40), 10 states have call predecessors, (40), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:58:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:16,505 INFO L93 Difference]: Finished difference Result 1100 states and 1685 transitions. [2023-03-31 00:58:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-31 00:58:16,508 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (40), 10 states have call predecessors, (40), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 163 [2023-03-31 00:58:16,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:16,526 INFO L225 Difference]: With dead ends: 1100 [2023-03-31 00:58:16,526 INFO L226 Difference]: Without dead ends: 813 [2023-03-31 00:58:16,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2023-03-31 00:58:16,535 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2574 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 1335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 2943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1335 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:16,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 85 Invalid, 2943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1335 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-03-31 00:58:16,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2023-03-31 00:58:16,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 482. [2023-03-31 00:58:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 315 states have (on average 1.453968253968254) internal successors, (458), 319 states have internal predecessors, (458), 101 states have call successors, (101), 69 states have call predecessors, (101), 65 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2023-03-31 00:58:16,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 655 transitions. [2023-03-31 00:58:16,896 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 655 transitions. Word has length 163 [2023-03-31 00:58:16,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:16,897 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 655 transitions. [2023-03-31 00:58:16,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (40), 10 states have call predecessors, (40), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:58:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 655 transitions. [2023-03-31 00:58:16,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-03-31 00:58:16,902 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:16,902 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:16,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:58:16,903 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:16,903 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:16,903 INFO L85 PathProgramCache]: Analyzing trace with hash -172426307, now seen corresponding path program 1 times [2023-03-31 00:58:16,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:16,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819396989] [2023-03-31 00:58:16,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:16,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 00:58:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:58:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 00:58:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 00:58:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:58:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:58:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:58:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 00:58:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:58:18,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:18,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819396989] [2023-03-31 00:58:18,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819396989] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:18,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237488238] [2023-03-31 00:58:18,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:18,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:18,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:18,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:18,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:58:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:18,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 2210 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:58:18,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:18,714 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:18,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237488238] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:18,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:18,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:18,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718881484] [2023-03-31 00:58:18,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:18,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:18,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:18,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:18,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:18,717 INFO L87 Difference]: Start difference. First operand 482 states and 655 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:58:19,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:19,087 INFO L93 Difference]: Finished difference Result 680 states and 904 transitions. [2023-03-31 00:58:19,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:19,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 164 [2023-03-31 00:58:19,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:19,093 INFO L225 Difference]: With dead ends: 680 [2023-03-31 00:58:19,094 INFO L226 Difference]: Without dead ends: 485 [2023-03-31 00:58:19,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:19,097 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 1 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:19,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1304 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:19,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2023-03-31 00:58:19,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 484. [2023-03-31 00:58:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 317 states have (on average 1.4511041009463723) internal successors, (460), 321 states have internal predecessors, (460), 101 states have call successors, (101), 69 states have call predecessors, (101), 65 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2023-03-31 00:58:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 657 transitions. [2023-03-31 00:58:19,398 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 657 transitions. Word has length 164 [2023-03-31 00:58:19,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:19,399 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 657 transitions. [2023-03-31 00:58:19,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:58:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 657 transitions. [2023-03-31 00:58:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-03-31 00:58:19,402 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:19,403 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:19,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 00:58:19,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:19,607 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:19,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:19,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1659549972, now seen corresponding path program 1 times [2023-03-31 00:58:19,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:19,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186497923] [2023-03-31 00:58:19,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:19,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 00:58:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:58:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:58:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 00:58:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:58:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 00:58:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 00:58:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 00:58:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:58:20,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:20,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186497923] [2023-03-31 00:58:20,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186497923] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:20,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102835148] [2023-03-31 00:58:20,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:20,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:20,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:20,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:20,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 00:58:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 2223 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:58:21,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:21,335 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:21,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102835148] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:21,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:21,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:21,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635757261] [2023-03-31 00:58:21,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:21,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:21,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:21,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:21,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:21,337 INFO L87 Difference]: Start difference. First operand 484 states and 657 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:58:21,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:21,694 INFO L93 Difference]: Finished difference Result 948 states and 1318 transitions. [2023-03-31 00:58:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:21,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 176 [2023-03-31 00:58:21,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:21,698 INFO L225 Difference]: With dead ends: 948 [2023-03-31 00:58:21,699 INFO L226 Difference]: Without dead ends: 529 [2023-03-31 00:58:21,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:21,702 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 54 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:21,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1308 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:21,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2023-03-31 00:58:22,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 528. [2023-03-31 00:58:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 351 states have (on average 1.4672364672364673) internal successors, (515), 355 states have internal predecessors, (515), 111 states have call successors, (111), 69 states have call predecessors, (111), 65 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-03-31 00:58:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 732 transitions. [2023-03-31 00:58:22,045 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 732 transitions. Word has length 176 [2023-03-31 00:58:22,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:22,046 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 732 transitions. [2023-03-31 00:58:22,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:58:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 732 transitions. [2023-03-31 00:58:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-03-31 00:58:22,051 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:22,052 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:22,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:22,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-31 00:58:22,261 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:22,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:22,261 INFO L85 PathProgramCache]: Analyzing trace with hash 495038642, now seen corresponding path program 1 times [2023-03-31 00:58:22,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:22,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701110702] [2023-03-31 00:58:22,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:22,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 00:58:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:58:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:58:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:58:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 00:58:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:58:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 00:58:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 00:58:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:58:23,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:23,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701110702] [2023-03-31 00:58:23,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701110702] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:23,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56051791] [2023-03-31 00:58:23,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:23,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:23,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:23,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:23,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 00:58:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:58:23,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:23,883 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:23,883 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:23,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56051791] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:23,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:23,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:23,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444095815] [2023-03-31 00:58:23,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:23,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:23,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:23,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:23,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:23,886 INFO L87 Difference]: Start difference. First operand 528 states and 732 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:58:24,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:24,279 INFO L93 Difference]: Finished difference Result 1077 states and 1538 transitions. [2023-03-31 00:58:24,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:24,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 177 [2023-03-31 00:58:24,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:24,283 INFO L225 Difference]: With dead ends: 1077 [2023-03-31 00:58:24,284 INFO L226 Difference]: Without dead ends: 614 [2023-03-31 00:58:24,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:24,286 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 52 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:24,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1313 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:24,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2023-03-31 00:58:24,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2023-03-31 00:58:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 417 states have (on average 1.4892086330935252) internal successors, (621), 421 states have internal predecessors, (621), 130 states have call successors, (130), 69 states have call predecessors, (130), 65 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) [2023-03-31 00:58:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 876 transitions. [2023-03-31 00:58:24,661 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 876 transitions. Word has length 177 [2023-03-31 00:58:24,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:24,662 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 876 transitions. [2023-03-31 00:58:24,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:58:24,662 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 876 transitions. [2023-03-31 00:58:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-03-31 00:58:24,666 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:24,666 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:24,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:24,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:24,878 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:24,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:24,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1256353292, now seen corresponding path program 1 times [2023-03-31 00:58:24,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:24,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401859204] [2023-03-31 00:58:24,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:24,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 00:58:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 00:58:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:58:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:58:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 00:58:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 00:58:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 00:58:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:58:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:58:25,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:25,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401859204] [2023-03-31 00:58:25,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401859204] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:25,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141451150] [2023-03-31 00:58:25,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:25,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:25,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:25,847 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:25,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 00:58:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 2233 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:58:26,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:26,331 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:26,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:26,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141451150] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:26,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:26,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:26,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185872179] [2023-03-31 00:58:26,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:26,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:26,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:26,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:26,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:26,334 INFO L87 Difference]: Start difference. First operand 613 states and 876 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:58:26,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:26,855 INFO L93 Difference]: Finished difference Result 1326 states and 1960 transitions. [2023-03-31 00:58:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:26,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 178 [2023-03-31 00:58:26,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:26,859 INFO L225 Difference]: With dead ends: 1326 [2023-03-31 00:58:26,859 INFO L226 Difference]: Without dead ends: 778 [2023-03-31 00:58:26,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:26,862 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 50 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:26,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1308 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:26,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2023-03-31 00:58:27,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 777. [2023-03-31 00:58:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 545 states have (on average 1.5137614678899083) internal successors, (825), 549 states have internal predecessors, (825), 166 states have call successors, (166), 69 states have call predecessors, (166), 65 states have return successors, (161), 160 states have call predecessors, (161), 161 states have call successors, (161) [2023-03-31 00:58:27,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1152 transitions. [2023-03-31 00:58:27,342 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1152 transitions. Word has length 178 [2023-03-31 00:58:27,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:27,342 INFO L495 AbstractCegarLoop]: Abstraction has 777 states and 1152 transitions. [2023-03-31 00:58:27,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 00:58:27,343 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1152 transitions. [2023-03-31 00:58:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-03-31 00:58:27,347 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:27,347 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:27,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:27,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:27,556 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:27,556 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:27,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1541206845, now seen corresponding path program 1 times [2023-03-31 00:58:27,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:27,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778672377] [2023-03-31 00:58:27,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:27,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-03-31 00:58:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 00:58:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 00:58:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:58:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:58:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 00:58:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 00:58:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 00:58:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 00:58:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 00:58:28,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:28,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778672377] [2023-03-31 00:58:28,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778672377] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:28,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798250856] [2023-03-31 00:58:28,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:28,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:28,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:28,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:28,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 00:58:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 2268 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 00:58:29,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 00:58:29,265 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:29,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798250856] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:29,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:29,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-03-31 00:58:29,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920163024] [2023-03-31 00:58:29,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:29,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:58:29,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:29,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:58:29,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-03-31 00:58:29,267 INFO L87 Difference]: Start difference. First operand 777 states and 1152 transitions. Second operand has 9 states, 7 states have (on average 14.857142857142858) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 00:58:30,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:30,539 INFO L93 Difference]: Finished difference Result 1532 states and 2284 transitions. [2023-03-31 00:58:30,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:58:30,540 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.857142857142858) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 180 [2023-03-31 00:58:30,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:30,543 INFO L225 Difference]: With dead ends: 1532 [2023-03-31 00:58:30,543 INFO L226 Difference]: Without dead ends: 791 [2023-03-31 00:58:30,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-03-31 00:58:30,546 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 619 mSDsluCounter, 2707 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 3367 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:30,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 3367 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 00:58:30,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2023-03-31 00:58:30,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 791. [2023-03-31 00:58:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 556 states have (on average 1.514388489208633) internal successors, (842), 561 states have internal predecessors, (842), 166 states have call successors, (166), 71 states have call predecessors, (166), 68 states have return successors, (162), 160 states have call predecessors, (162), 161 states have call successors, (162) [2023-03-31 00:58:30,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1170 transitions. [2023-03-31 00:58:30,918 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1170 transitions. Word has length 180 [2023-03-31 00:58:30,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:30,919 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1170 transitions. [2023-03-31 00:58:30,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.857142857142858) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 00:58:30,919 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1170 transitions. [2023-03-31 00:58:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-03-31 00:58:30,923 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:30,923 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:30,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:31,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:31,131 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:31,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash 801566548, now seen corresponding path program 1 times [2023-03-31 00:58:31,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:31,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529153733] [2023-03-31 00:58:31,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:31,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 00:58:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-03-31 00:58:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:58:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 00:58:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:58:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:58:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:58:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 00:58:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 00:58:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 00:58:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:58:32,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:32,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529153733] [2023-03-31 00:58:32,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529153733] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:32,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239134366] [2023-03-31 00:58:32,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:32,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:32,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:32,106 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:32,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-31 00:58:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:32,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 2269 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 00:58:32,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 00:58:32,664 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:32,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239134366] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:32,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:32,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-03-31 00:58:32,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183273278] [2023-03-31 00:58:32,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:32,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:58:32,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:32,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:58:32,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-03-31 00:58:32,666 INFO L87 Difference]: Start difference. First operand 791 states and 1170 transitions. Second operand has 7 states, 6 states have (on average 17.5) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2023-03-31 00:58:33,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:33,656 INFO L93 Difference]: Finished difference Result 1533 states and 2290 transitions. [2023-03-31 00:58:33,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:58:33,657 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.5) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 181 [2023-03-31 00:58:33,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:33,661 INFO L225 Difference]: With dead ends: 1533 [2023-03-31 00:58:33,661 INFO L226 Difference]: Without dead ends: 793 [2023-03-31 00:58:33,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-03-31 00:58:33,664 INFO L413 NwaCegarLoop]: 659 mSDtfsCounter, 605 mSDsluCounter, 1967 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 2626 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:33,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 2626 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 00:58:33,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2023-03-31 00:58:34,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2023-03-31 00:58:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 557 states have (on average 1.5134649910233393) internal successors, (843), 563 states have internal predecessors, (843), 166 states have call successors, (166), 71 states have call predecessors, (166), 69 states have return successors, (164), 160 states have call predecessors, (164), 161 states have call successors, (164) [2023-03-31 00:58:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1173 transitions. [2023-03-31 00:58:34,058 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1173 transitions. Word has length 181 [2023-03-31 00:58:34,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:34,058 INFO L495 AbstractCegarLoop]: Abstraction has 793 states and 1173 transitions. [2023-03-31 00:58:34,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.5) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2023-03-31 00:58:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1173 transitions. [2023-03-31 00:58:34,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-03-31 00:58:34,062 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:34,062 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:34,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:34,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:34,270 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:34,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:34,271 INFO L85 PathProgramCache]: Analyzing trace with hash 214915224, now seen corresponding path program 1 times [2023-03-31 00:58:34,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:34,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100512509] [2023-03-31 00:58:34,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:34,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:34,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:58:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 00:58:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:58:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:58:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 00:58:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 00:58:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:58:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 00:58:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 00:58:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 00:58:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 00:58:35,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:35,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100512509] [2023-03-31 00:58:35,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100512509] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:35,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:35,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 00:58:35,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035701111] [2023-03-31 00:58:35,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:35,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 00:58:35,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:35,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 00:58:35,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:35,221 INFO L87 Difference]: Start difference. First operand 793 states and 1173 transitions. Second operand has 18 states, 15 states have (on average 6.6) internal successors, (99), 9 states have internal predecessors, (99), 7 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 7 states have call successors, (30) [2023-03-31 00:58:48,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:48,892 INFO L93 Difference]: Finished difference Result 3146 states and 5379 transitions. [2023-03-31 00:58:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-31 00:58:48,893 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.6) internal successors, (99), 9 states have internal predecessors, (99), 7 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 7 states have call successors, (30) Word has length 182 [2023-03-31 00:58:48,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:48,906 INFO L225 Difference]: With dead ends: 3146 [2023-03-31 00:58:48,907 INFO L226 Difference]: Without dead ends: 2412 [2023-03-31 00:58:48,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=488, Invalid=1768, Unknown=0, NotChecked=0, Total=2256 [2023-03-31 00:58:48,911 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2531 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 7678 mSolverCounterSat, 1185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 8863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1185 IncrementalHoareTripleChecker+Valid, 7678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:48,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2534 Valid, 81 Invalid, 8863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1185 Valid, 7678 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-03-31 00:58:48,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2023-03-31 00:58:49,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 803. [2023-03-31 00:58:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 566 states have (on average 1.510600706713781) internal successors, (855), 571 states have internal predecessors, (855), 166 states have call successors, (166), 73 states have call predecessors, (166), 70 states have return successors, (163), 160 states have call predecessors, (163), 161 states have call successors, (163) [2023-03-31 00:58:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1184 transitions. [2023-03-31 00:58:49,452 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1184 transitions. Word has length 182 [2023-03-31 00:58:49,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:49,453 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 1184 transitions. [2023-03-31 00:58:49,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.6) internal successors, (99), 9 states have internal predecessors, (99), 7 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 7 states have call successors, (30) [2023-03-31 00:58:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1184 transitions. [2023-03-31 00:58:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-03-31 00:58:49,457 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:49,457 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:49,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 00:58:49,458 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:49,458 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:49,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1737546489, now seen corresponding path program 2 times [2023-03-31 00:58:49,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:49,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317231402] [2023-03-31 00:58:49,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:49,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:58:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 00:58:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 00:58:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:58:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:58:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:58:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:58:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 00:58:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 00:58:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 00:58:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:58:50,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:50,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317231402] [2023-03-31 00:58:50,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317231402] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:50,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:50,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:58:50,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082447492] [2023-03-31 00:58:50,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:50,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:58:50,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:50,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:58:50,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:58:50,413 INFO L87 Difference]: Start difference. First operand 803 states and 1184 transitions. Second operand has 19 states, 16 states have (on average 6.4375) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30)