/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_spec27_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:00:01,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:00:01,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:00:01,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:00:01,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:00:01,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:00:01,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:00:01,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:00:01,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:00:01,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:00:01,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:00:01,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:00:01,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:00:01,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:00:01,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:00:01,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:00:01,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:00:01,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:00:01,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:00:01,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:00:01,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:00:01,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:00:01,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:00:01,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:00:01,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:00:01,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:00:01,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:00:01,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:00:01,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:00:01,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:00:01,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:00:01,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:00:01,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:00:01,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:00:01,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:00:01,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:00:01,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:00:01,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:00:01,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:00:01,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:00:01,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:00:01,516 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 01:00:01,545 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:00:01,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:00:01,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:00:01,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:00:01,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:00:01,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:00:01,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:00:01,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:00:01,547 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:00:01,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:00:01,547 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:00:01,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:00:01,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:00:01,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:00:01,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:00:01,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:00:01,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:00:01,548 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:00:01,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:00:01,548 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:00:01,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:00:01,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:00:01,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:00:01,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:00:01,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:00:01,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:00:01,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:00:01,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:00:01,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:00:01,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:00:01,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:00:01,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:00:01,549 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:00:01,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:00:01,550 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:00:01,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:00:01,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:00:01,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:00:01,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:00:01,789 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:00:01,789 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:00:01,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2023-03-31 01:00:03,102 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:00:03,406 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:00:03,406 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2023-03-31 01:00:03,424 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cf3c0ee8/3f40101bb3da4c4bb0613df5faa8591d/FLAG155e08a55 [2023-03-31 01:00:03,436 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cf3c0ee8/3f40101bb3da4c4bb0613df5faa8591d [2023-03-31 01:00:03,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:00:03,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:00:03,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:00:03,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:00:03,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:00:03,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:00:03" (1/1) ... [2023-03-31 01:00:03,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c3f845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:03, skipping insertion in model container [2023-03-31 01:00:03,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:00:03" (1/1) ... [2023-03-31 01:00:03,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:00:03,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:00:03,934 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_spec27_product29.cil.c[37973,37986] [2023-03-31 01:00:04,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:00:04,123 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:00:04,194 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_spec27_product29.cil.c[37973,37986] [2023-03-31 01:00:04,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:00:04,263 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 01:00:04,269 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:00:04,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04 WrapperNode [2023-03-31 01:00:04,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:00:04,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:00:04,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:00:04,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:00:04,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04" (1/1) ... [2023-03-31 01:00:04,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04" (1/1) ... [2023-03-31 01:00:04,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04" (1/1) ... [2023-03-31 01:00:04,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04" (1/1) ... [2023-03-31 01:00:04,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04" (1/1) ... [2023-03-31 01:00:04,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04" (1/1) ... [2023-03-31 01:00:04,440 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04" (1/1) ... [2023-03-31 01:00:04,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04" (1/1) ... [2023-03-31 01:00:04,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:00:04,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:00:04,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:00:04,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:00:04,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04" (1/1) ... [2023-03-31 01:00:04,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:00:04,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:00:04,515 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 01:00:04,533 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 01:00:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:00:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:00:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:00:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:00:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:00:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:00:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:00:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:00:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:00:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:00:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 01:00:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 01:00:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 01:00:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 01:00:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 01:00:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 01:00:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 01:00:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 01:00:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 01:00:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 01:00:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 01:00:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 01:00:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 01:00:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 01:00:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 01:00:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 01:00:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 01:00:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 01:00:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 01:00:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 01:00:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 01:00:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 01:00:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 01:00:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 01:00:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 01:00:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 01:00:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 01:00:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 01:00:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 01:00:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:00:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:00:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:00:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:00:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 01:00:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:00:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 01:00:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-03-31 01:00:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-03-31 01:00:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 01:00:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 01:00:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 01:00:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 01:00:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 01:00:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:00:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 01:00:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 01:00:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-03-31 01:00:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-03-31 01:00:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 01:00:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 01:00:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 01:00:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-03-31 01:00:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 01:00:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 01:00:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 01:00:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 01:00:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 01:00:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 01:00:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 01:00:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 01:00:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 01:00:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 01:00:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 01:00:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 01:00:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 01:00:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 01:00:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 01:00:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 01:00:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 01:00:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 01:00:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 01:00:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 01:00:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 01:00:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 01:00:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 01:00:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 01:00:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 01:00:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 01:00:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 01:00:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 01:00:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 01:00:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 01:00:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 01:00:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 01:00:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 01:00:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 01:00:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 01:00:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 01:00:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 01:00:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 01:00:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 01:00:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 01:00:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 01:00:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:00:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:00:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 01:00:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 01:00:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 01:00:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 01:00:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 01:00:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 01:00:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 01:00:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 01:00:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 01:00:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 01:00:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-03-31 01:00:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:00:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:00:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:00:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:00:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:00:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:00:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:00:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:00:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:00:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:00:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:00:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:00:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:00:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:00:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:00:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:00:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:00:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 01:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 01:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:00:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 01:00:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 01:00:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 01:00:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 01:00:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 01:00:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 01:00:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 01:00:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 01:00:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 01:00:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-03-31 01:00:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-03-31 01:00:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 01:00:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 01:00:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 01:00:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 01:00:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 01:00:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 01:00:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 01:00:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 01:00:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 01:00:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 01:00:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 01:00:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 01:00:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 01:00:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 01:00:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 01:00:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 01:00:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 01:00:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 01:00:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 01:00:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 01:00:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 01:00:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 01:00:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 01:00:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 01:00:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 01:00:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 01:00:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 01:00:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:00:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:00:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 01:00:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 01:00:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 01:00:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 01:00:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 01:00:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:00:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:00:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:00:04,970 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:00:04,978 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:00:06,144 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:00:06,163 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:00:06,163 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 01:00:06,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:00:06 BoogieIcfgContainer [2023-03-31 01:00:06,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:00:06,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:00:06,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:00:06,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:00:06,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:00:03" (1/3) ... [2023-03-31 01:00:06,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248c3979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:00:06, skipping insertion in model container [2023-03-31 01:00:06,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:04" (2/3) ... [2023-03-31 01:00:06,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248c3979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:00:06, skipping insertion in model container [2023-03-31 01:00:06,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:00:06" (3/3) ... [2023-03-31 01:00:06,181 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2023-03-31 01:00:06,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:00:06,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:00:06,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:00:06,277 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;@32973f0b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:00:06,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:00:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 604 states, 395 states have (on average 1.450632911392405) internal successors, (573), 404 states have internal predecessors, (573), 123 states have call successors, (123), 76 states have call predecessors, (123), 76 states have return successors, (123), 122 states have call predecessors, (123), 123 states have call successors, (123) [2023-03-31 01:00:06,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-03-31 01:00:06,312 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:00:06,313 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:00:06,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:00:06,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:00:06,317 INFO L85 PathProgramCache]: Analyzing trace with hash -851556922, now seen corresponding path program 1 times [2023-03-31 01:00:06,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:00:06,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740373152] [2023-03-31 01:00:06,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:06,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:00:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:00:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:00:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:00:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:00:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:00:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:00:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 01:00:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:00:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:00:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:00:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 01:00:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:00:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 01:00:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 01:00:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:00:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 01:00:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-03-31 01:00:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-03-31 01:00:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-03-31 01:00:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-03-31 01:00:07,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:00:07,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740373152] [2023-03-31 01:00:07,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740373152] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:00:07,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:00:07,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:00:07,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003290596] [2023-03-31 01:00:07,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:00:07,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:00:07,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:00:07,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:00:07,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:00:07,900 INFO L87 Difference]: Start difference. First operand has 604 states, 395 states have (on average 1.450632911392405) internal successors, (573), 404 states have internal predecessors, (573), 123 states have call successors, (123), 76 states have call predecessors, (123), 76 states have return successors, (123), 122 states have call predecessors, (123), 123 states have call successors, (123) Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 2 states have internal predecessors, (108), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:00:20,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:00:20,854 INFO L93 Difference]: Finished difference Result 1652 states and 2810 transitions. [2023-03-31 01:00:20,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-03-31 01:00:20,857 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 2 states have internal predecessors, (108), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 218 [2023-03-31 01:00:20,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:00:20,890 INFO L225 Difference]: With dead ends: 1652 [2023-03-31 01:00:20,891 INFO L226 Difference]: Without dead ends: 1057 [2023-03-31 01:00:20,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2437 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2023-03-31 01:00:20,907 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 4776 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 2904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4828 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 5132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2904 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:00:20,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4828 Valid, 186 Invalid, 5132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2904 Valid, 2228 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2023-03-31 01:00:20,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2023-03-31 01:00:21,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 552. [2023-03-31 01:00:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 368 states have (on average 1.4673913043478262) internal successors, (540), 374 states have internal predecessors, (540), 111 states have call successors, (111), 76 states have call predecessors, (111), 72 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-03-31 01:00:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 757 transitions. [2023-03-31 01:00:21,330 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 757 transitions. Word has length 218 [2023-03-31 01:00:21,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:00:21,331 INFO L495 AbstractCegarLoop]: Abstraction has 552 states and 757 transitions. [2023-03-31 01:00:21,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 2 states have internal predecessors, (108), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:00:21,331 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 757 transitions. [2023-03-31 01:00:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-03-31 01:00:21,337 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:00:21,338 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:00:21,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:00:21,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:00:21,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:00:21,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1347206198, now seen corresponding path program 1 times [2023-03-31 01:00:21,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:00:21,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963538629] [2023-03-31 01:00:21,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:21,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:00:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:00:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:00:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:00:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:00:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:00:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:00:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:00:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:00:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:00:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:00:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:00:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:00:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:00:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:00:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:00:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 01:00:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-03-31 01:00:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-03-31 01:00:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-03-31 01:00:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-03-31 01:00:22,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:00:22,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963538629] [2023-03-31 01:00:22,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963538629] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:00:22,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095077058] [2023-03-31 01:00:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:22,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:00:22,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:00:22,753 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 01:00:22,780 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 01:00:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:23,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 2573 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 01:00:23,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:00:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-03-31 01:00:23,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:00:23,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095077058] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:00:23,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:00:23,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 01:00:23,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32310878] [2023-03-31 01:00:23,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:00:23,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:00:23,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:00:23,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:00:23,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:00:23,375 INFO L87 Difference]: Start difference. First operand 552 states and 757 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:00:23,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:00:23,793 INFO L93 Difference]: Finished difference Result 842 states and 1136 transitions. [2023-03-31 01:00:23,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:00:23,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 219 [2023-03-31 01:00:23,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:00:23,801 INFO L225 Difference]: With dead ends: 842 [2023-03-31 01:00:23,801 INFO L226 Difference]: Without dead ends: 555 [2023-03-31 01:00:23,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:00:23,804 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 1 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1508 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 01:00:23,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1508 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:00:23,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2023-03-31 01:00:24,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 554. [2023-03-31 01:00:24,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 370 states have (on average 1.4648648648648648) internal successors, (542), 376 states have internal predecessors, (542), 111 states have call successors, (111), 76 states have call predecessors, (111), 72 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-03-31 01:00:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 759 transitions. [2023-03-31 01:00:24,170 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 759 transitions. Word has length 219 [2023-03-31 01:00:24,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:00:24,172 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 759 transitions. [2023-03-31 01:00:24,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:00:24,173 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 759 transitions. [2023-03-31 01:00:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-03-31 01:00:24,178 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:00:24,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 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 01:00:24,192 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 01:00:24,388 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 01:00:24,389 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:00:24,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:00:24,389 INFO L85 PathProgramCache]: Analyzing trace with hash -217782486, now seen corresponding path program 1 times [2023-03-31 01:00:24,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:00:24,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204197508] [2023-03-31 01:00:24,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:24,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:00:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:00:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:00:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:00:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:00:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:00:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:00:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 01:00:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 01:00:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:00:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:00:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:00:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:00:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 01:00:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:00:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 01:00:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-03-31 01:00:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-03-31 01:00:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-03-31 01:00:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-03-31 01:00:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-03-31 01:00:25,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:00:25,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204197508] [2023-03-31 01:00:25,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204197508] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:00:25,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287185843] [2023-03-31 01:00:25,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:25,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:00:25,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:00:25,594 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 01:00:25,597 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 01:00:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:26,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 2585 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:00:26,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:00:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-03-31 01:00:26,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:00:26,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287185843] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:00:26,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:00:26,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 01:00:26,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27084257] [2023-03-31 01:00:26,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:00:26,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:00:26,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:00:26,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:00:26,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:00:26,110 INFO L87 Difference]: Start difference. First operand 554 states and 759 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:00:26,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:00:26,470 INFO L93 Difference]: Finished difference Result 1084 states and 1516 transitions. [2023-03-31 01:00:26,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:00:26,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 225 [2023-03-31 01:00:26,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:00:26,474 INFO L225 Difference]: With dead ends: 1084 [2023-03-31 01:00:26,474 INFO L226 Difference]: Without dead ends: 595 [2023-03-31 01:00:26,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:00:26,477 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 52 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1512 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 01:00:26,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1512 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:00:26,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2023-03-31 01:00:26,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 594. [2023-03-31 01:00:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 402 states have (on average 1.4800995024875623) internal successors, (595), 408 states have internal predecessors, (595), 119 states have call successors, (119), 76 states have call predecessors, (119), 72 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-03-31 01:00:26,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 828 transitions. [2023-03-31 01:00:26,759 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 828 transitions. Word has length 225 [2023-03-31 01:00:26,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:00:26,761 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 828 transitions. [2023-03-31 01:00:26,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:00:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 828 transitions. [2023-03-31 01:00:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-03-31 01:00:26,766 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:00:26,766 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 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 01:00:26,779 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 01:00:26,976 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 01:00:26,976 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:00:26,977 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:00:26,977 INFO L85 PathProgramCache]: Analyzing trace with hash 697281948, now seen corresponding path program 1 times [2023-03-31 01:00:26,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:00:26,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076916652] [2023-03-31 01:00:26,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:26,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:00:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:00:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:00:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:00:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:00:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:00:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:00:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:27,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 01:00:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-03-31 01:00:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 01:00:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:00:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:00:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 01:00:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:00:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:00:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 01:00:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-03-31 01:00:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-03-31 01:00:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-03-31 01:00:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-03-31 01:00:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-03-31 01:00:28,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:00:28,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076916652] [2023-03-31 01:00:28,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076916652] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:00:28,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162705446] [2023-03-31 01:00:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:28,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:00:28,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:00:28,120 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 01:00:28,150 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 01:00:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:28,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 2590 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:00:28,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:00:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-03-31 01:00:28,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:00:28,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162705446] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:00:28,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:00:28,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-03-31 01:00:28,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099864414] [2023-03-31 01:00:28,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:00:28,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:00:28,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:00:28,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:00:28,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:00:28,881 INFO L87 Difference]: Start difference. First operand 594 states and 828 transitions. Second operand has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 9 states have internal predecessors, (127), 6 states have call successors, (50), 3 states have call predecessors, (50), 6 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 01:00:30,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:00:30,081 INFO L93 Difference]: Finished difference Result 1166 states and 1636 transitions. [2023-03-31 01:00:30,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:00:30,081 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 9 states have internal predecessors, (127), 6 states have call successors, (50), 3 states have call predecessors, (50), 6 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) Word has length 226 [2023-03-31 01:00:30,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:00:30,085 INFO L225 Difference]: With dead ends: 1166 [2023-03-31 01:00:30,085 INFO L226 Difference]: Without dead ends: 608 [2023-03-31 01:00:30,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-03-31 01:00:30,087 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 712 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 4141 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-31 01:00:30,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 4141 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-31 01:00:30,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2023-03-31 01:00:30,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2023-03-31 01:00:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 413 states have (on average 1.4818401937046004) internal successors, (612), 420 states have internal predecessors, (612), 119 states have call successors, (119), 78 states have call predecessors, (119), 75 states have return successors, (115), 113 states have call predecessors, (115), 114 states have call successors, (115) [2023-03-31 01:00:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 846 transitions. [2023-03-31 01:00:30,441 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 846 transitions. Word has length 226 [2023-03-31 01:00:30,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:00:30,441 INFO L495 AbstractCegarLoop]: Abstraction has 608 states and 846 transitions. [2023-03-31 01:00:30,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 9 states have internal predecessors, (127), 6 states have call successors, (50), 3 states have call predecessors, (50), 6 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 01:00:30,442 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 846 transitions. [2023-03-31 01:00:30,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-03-31 01:00:30,445 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:00:30,445 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 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 01:00:30,456 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 01:00:30,654 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 01:00:30,654 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:00:30,655 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:00:30,655 INFO L85 PathProgramCache]: Analyzing trace with hash -453987039, now seen corresponding path program 1 times [2023-03-31 01:00:30,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:00:30,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411696845] [2023-03-31 01:00:30,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:30,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:00:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:00:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:00:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:00:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:00:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:00:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:00:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:00:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:00:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 01:00:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:00:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:00:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:00:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 01:00:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 01:00:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:00:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 01:00:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 01:00:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-03-31 01:00:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-03-31 01:00:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-03-31 01:00:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 01:00:31,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:00:31,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411696845] [2023-03-31 01:00:31,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411696845] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:00:31,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178953487] [2023-03-31 01:00:31,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:31,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:00:31,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:00:31,768 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 01:00:31,778 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 01:00:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:32,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 2591 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:00:32,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:00:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-03-31 01:00:32,427 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:00:32,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178953487] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:00:32,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:00:32,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-03-31 01:00:32,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660565453] [2023-03-31 01:00:32,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:00:32,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:00:32,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:00:32,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:00:32,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:00:32,429 INFO L87 Difference]: Start difference. First operand 608 states and 846 transitions. Second operand has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (50), 3 states have call predecessors, (50), 5 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) [2023-03-31 01:00:33,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:00:33,325 INFO L93 Difference]: Finished difference Result 1167 states and 1640 transitions. [2023-03-31 01:00:33,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:00:33,325 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (50), 3 states have call predecessors, (50), 5 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) Word has length 227 [2023-03-31 01:00:33,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:00:33,329 INFO L225 Difference]: With dead ends: 1167 [2023-03-31 01:00:33,329 INFO L226 Difference]: Without dead ends: 610 [2023-03-31 01:00:33,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-03-31 01:00:33,331 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 714 mSDsluCounter, 2164 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 2925 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:00:33,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 2925 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:00:33,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2023-03-31 01:00:33,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2023-03-31 01:00:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 414 states have (on average 1.4806763285024154) internal successors, (613), 422 states have internal predecessors, (613), 119 states have call successors, (119), 78 states have call predecessors, (119), 76 states have return successors, (117), 113 states have call predecessors, (117), 114 states have call successors, (117) [2023-03-31 01:00:33,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 849 transitions. [2023-03-31 01:00:33,638 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 849 transitions. Word has length 227 [2023-03-31 01:00:33,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:00:33,638 INFO L495 AbstractCegarLoop]: Abstraction has 610 states and 849 transitions. [2023-03-31 01:00:33,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (50), 3 states have call predecessors, (50), 5 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) [2023-03-31 01:00:33,638 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 849 transitions. [2023-03-31 01:00:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-03-31 01:00:33,641 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:00:33,641 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 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 01:00:33,654 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 01:00:33,850 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 01:00:33,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:00:33,851 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:00:33,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1434005906, now seen corresponding path program 1 times [2023-03-31 01:00:33,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:00:33,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215156185] [2023-03-31 01:00:33,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:33,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:00:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:00:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:00:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:00:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:00:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:00:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:00:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:00:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 01:00:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 01:00:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:00:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:00:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:00:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 01:00:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 01:00:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 01:00:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 01:00:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-03-31 01:00:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-03-31 01:00:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-03-31 01:00:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-03-31 01:00:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-03-31 01:00:34,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:00:34,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215156185] [2023-03-31 01:00:34,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215156185] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:00:34,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:00:34,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:00:34,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355202377] [2023-03-31 01:00:34,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:00:34,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:00:34,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:00:34,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:00:34,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:00:34,880 INFO L87 Difference]: Start difference. First operand 610 states and 849 transitions. Second operand has 19 states, 16 states have (on average 7.625) internal successors, (122), 9 states have internal predecessors, (122), 6 states have call successors, (50), 12 states have call predecessors, (50), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 01:00:49,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:00:49,450 INFO L93 Difference]: Finished difference Result 1766 states and 2684 transitions. [2023-03-31 01:00:49,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-03-31 01:00:49,451 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.625) internal successors, (122), 9 states have internal predecessors, (122), 6 states have call successors, (50), 12 states have call predecessors, (50), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) Word has length 228 [2023-03-31 01:00:49,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:00:49,457 INFO L225 Difference]: With dead ends: 1766 [2023-03-31 01:00:49,457 INFO L226 Difference]: Without dead ends: 1215 [2023-03-31 01:00:49,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2023-03-31 01:00:49,461 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3104 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 8617 mSolverCounterSat, 1651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3107 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 10268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1651 IncrementalHoareTripleChecker+Valid, 8617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:00:49,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3107 Valid, 81 Invalid, 10268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1651 Valid, 8617 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2023-03-31 01:00:49,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2023-03-31 01:00:49,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 620. [2023-03-31 01:00:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 423 states have (on average 1.4775413711583925) internal successors, (625), 430 states have internal predecessors, (625), 119 states have call successors, (119), 80 states have call predecessors, (119), 77 states have return successors, (116), 113 states have call predecessors, (116), 114 states have call successors, (116) [2023-03-31 01:00:49,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 860 transitions. [2023-03-31 01:00:49,764 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 860 transitions. Word has length 228 [2023-03-31 01:00:49,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:00:49,764 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 860 transitions. [2023-03-31 01:00:49,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.625) internal successors, (122), 9 states have internal predecessors, (122), 6 states have call successors, (50), 12 states have call predecessors, (50), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 01:00:49,765 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 860 transitions. [2023-03-31 01:00:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-03-31 01:00:49,767 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:00:49,767 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 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 01:00:49,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 01:00:49,768 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:00:49,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:00:49,768 INFO L85 PathProgramCache]: Analyzing trace with hash -113517521, now seen corresponding path program 2 times [2023-03-31 01:00:49,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:00:49,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088746242] [2023-03-31 01:00:49,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:49,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:00:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:00:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:00:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:00:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:00:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:00:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:00:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:00:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:00:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 01:00:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 01:00:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 01:00:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:00:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:00:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 01:00:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 01:00:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 01:00:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 01:00:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-03-31 01:00:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-03-31 01:00:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-03-31 01:00:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-03-31 01:00:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 01:00:50,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:00:50,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088746242] [2023-03-31 01:00:50,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088746242] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:00:50,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:00:50,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-03-31 01:00:50,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379652439] [2023-03-31 01:00:50,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:00:50,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 01:00:50,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:00:50,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 01:00:50,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:00:50,774 INFO L87 Difference]: Start difference. First operand 620 states and 860 transitions. Second operand has 20 states, 17 states have (on average 7.411764705882353) internal successors, (126), 9 states have internal predecessors, (126), 5 states have call successors, (50), 12 states have call predecessors, (50), 5 states have return successors, (35), 4 states have call predecessors, (35), 5 states have call successors, (35)