/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_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:39:24,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:39:24,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:39:24,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:39:24,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:39:24,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:39:24,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:39:24,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:39:24,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:39:24,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:39:24,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:39:24,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:39:24,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:39:24,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:39:24,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:39:24,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:39:24,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:39:24,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:39:24,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:39:24,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:39:24,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:39:24,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:39:24,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:39:24,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:39:24,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:39:24,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:39:24,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:39:24,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:39:24,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:39:24,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:39:24,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:39:24,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:39:24,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:39:24,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:39:24,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:39:24,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:39:24,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:39:24,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:39:24,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:39:24,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:39:24,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:39:24,380 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 [2023-04-02 03:39:24,405 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:39:24,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:39:24,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:39:24,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:39:24,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:39:24,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:39:24,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:39:24,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:39:24,406 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:39:24,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:39:24,406 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:39:24,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:39:24,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:39:24,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:39:24,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:39:24,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:39:24,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:39:24,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:39:24,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:39:24,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:39:24,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:39:24,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:39:24,408 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:39:24,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:39:24,409 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:39:24,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:39:24,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:39:24,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:39:24,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:39:24,660 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:39:24,665 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:39:24,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product13.cil.c [2023-04-02 03:39:25,800 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:39:26,054 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:39:26,055 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product13.cil.c [2023-04-02 03:39:26,071 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02286e5d7/081751a7d95d4512b6face1dd8d93a35/FLAG87414416a [2023-04-02 03:39:26,090 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02286e5d7/081751a7d95d4512b6face1dd8d93a35 [2023-04-02 03:39:26,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:39:26,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:39:26,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:39:26,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:39:26,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:39:26,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e33d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26, skipping insertion in model container [2023-04-02 03:39:26,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:39:26,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:39:26,521 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_spec4_product13.cil.c[42804,42817] [2023-04-02 03:39:26,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:39:26,582 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:39:26,647 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_spec4_product13.cil.c[42804,42817] [2023-04-02 03:39:26,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:39:26,687 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:39:26,692 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:39:26,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26 WrapperNode [2023-04-02 03:39:26,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:39:26,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:39:26,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:39:26,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:39:26,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,791 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:39:26,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:39:26,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:39:26,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:39:26,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26" (1/1) ... [2023-04-02 03:39:26,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:39:26,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:39:26,841 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) [2023-04-02 03:39:26,857 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 [2023-04-02 03:39:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:39:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:39:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:39:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:39:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:39:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:39:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:39:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:39:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 03:39:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 03:39:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-02 03:39:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:39:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:39:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:39:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:39:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:39:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:39:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:39:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:39:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:39:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:39:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:39:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:39:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:39:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:39:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:39:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:39:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:39:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:39:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:39:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:39:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:39:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:39:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:39:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:39:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:39:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:39:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:39:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:39:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:39:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:39:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:39:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:39:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:39:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:39:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:39:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:39:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:39:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:39:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:39:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:39:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:39:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:39:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:39:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:39:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:39:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:39:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:39:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:39:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:39:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:39:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:39:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 03:39:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:39:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:39:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:39:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:39:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:39:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:39:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:39:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:39:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:39:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:39:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:39:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:39:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:39:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:39:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:39:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:39:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:39:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:39:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 03:39:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 03:39:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 03:39:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-02 03:39:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:39:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:39:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 03:39:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-02 03:39:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:39:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:39:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:39:27,247 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:39:27,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:39:28,111 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:39:28,125 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:39:28,125 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:39:28,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:39:28 BoogieIcfgContainer [2023-04-02 03:39:28,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:39:28,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:39:28,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:39:28,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:39:28,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:39:26" (1/3) ... [2023-04-02 03:39:28,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403b6611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:39:28, skipping insertion in model container [2023-04-02 03:39:28,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:26" (2/3) ... [2023-04-02 03:39:28,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403b6611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:39:28, skipping insertion in model container [2023-04-02 03:39:28,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:39:28" (3/3) ... [2023-04-02 03:39:28,137 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product13.cil.c [2023-04-02 03:39:28,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:39:28,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:39:28,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:39:28,215 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;@6d4489df, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:39:28,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:39:28,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 288 states have (on average 1.4201388888888888) internal successors, (409), 294 states have internal predecessors, (409), 90 states have call successors, (90), 61 states have call predecessors, (90), 61 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-02 03:39:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-02 03:39:28,248 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:28,250 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:39:28,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:28,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:28,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1798425973, now seen corresponding path program 1 times [2023-04-02 03:39:28,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:28,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964126281] [2023-04-02 03:39:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:28,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:39:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:39:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:39:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:39:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:39:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:39:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:39:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:39:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:39:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:39:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:39:29,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:29,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964126281] [2023-04-02 03:39:29,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964126281] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:29,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:39:29,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 03:39:29,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645021772] [2023-04-02 03:39:29,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:29,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:39:29,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:29,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:39:29,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-02 03:39:29,517 INFO L87 Difference]: Start difference. First operand has 447 states, 288 states have (on average 1.4201388888888888) internal successors, (409), 294 states have internal predecessors, (409), 90 states have call successors, (90), 61 states have call predecessors, (90), 61 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:39:36,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:39:36,197 INFO L93 Difference]: Finished difference Result 1058 states and 1586 transitions. [2023-04-02 03:39:36,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 03:39:36,199 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 148 [2023-04-02 03:39:36,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:39:36,212 INFO L225 Difference]: With dead ends: 1058 [2023-04-02 03:39:36,212 INFO L226 Difference]: Without dead ends: 713 [2023-04-02 03:39:36,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2023-04-02 03:39:36,219 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 2486 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 1157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2513 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 2937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1157 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:39:36,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2513 Valid, 188 Invalid, 2937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1157 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-04-02 03:39:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-04-02 03:39:36,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 402. [2023-04-02 03:39:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 264 states have (on average 1.4318181818181819) internal successors, (378), 267 states have internal predecessors, (378), 81 states have call successors, (81), 60 states have call predecessors, (81), 56 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-04-02 03:39:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 535 transitions. [2023-04-02 03:39:36,479 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 535 transitions. Word has length 148 [2023-04-02 03:39:36,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:39:36,480 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 535 transitions. [2023-04-02 03:39:36,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:39:36,480 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 535 transitions. [2023-04-02 03:39:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-02 03:39:36,482 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:36,483 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:39:36,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:39:36,483 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:36,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:36,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1859060386, now seen corresponding path program 1 times [2023-04-02 03:39:36,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:36,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054829916] [2023-04-02 03:39:36,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:36,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:39:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:39:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:39:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:39:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 03:39:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:39:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:39:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:39:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:39:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:39:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:39:37,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:37,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054829916] [2023-04-02 03:39:37,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054829916] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:39:37,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816310269] [2023-04-02 03:39:37,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:37,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:39:37,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:39:37,682 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) [2023-04-02 03:39:37,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 03:39:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:38,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 1915 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:39:38,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:39:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:39:38,105 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:39:38,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816310269] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:38,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:39:38,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 03:39:38,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821365610] [2023-04-02 03:39:38,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:38,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:39:38,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:38,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:39:38,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:39:38,108 INFO L87 Difference]: Start difference. First operand 402 states and 535 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:39:38,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:39:38,370 INFO L93 Difference]: Finished difference Result 586 states and 764 transitions. [2023-04-02 03:39:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:39:38,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 149 [2023-04-02 03:39:38,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:39:38,373 INFO L225 Difference]: With dead ends: 586 [2023-04-02 03:39:38,373 INFO L226 Difference]: Without dead ends: 405 [2023-04-02 03:39:38,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:39:38,375 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 1 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1064 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 [2023-04-02 03:39:38,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1064 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:39:38,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2023-04-02 03:39:38,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 404. [2023-04-02 03:39:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 266 states have (on average 1.4285714285714286) internal successors, (380), 269 states have internal predecessors, (380), 81 states have call successors, (81), 60 states have call predecessors, (81), 56 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-04-02 03:39:38,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 537 transitions. [2023-04-02 03:39:38,568 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 537 transitions. Word has length 149 [2023-04-02 03:39:38,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:39:38,568 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 537 transitions. [2023-04-02 03:39:38,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:39:38,568 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 537 transitions. [2023-04-02 03:39:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-04-02 03:39:38,570 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:38,570 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:39:38,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 03:39:38,778 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 [2023-04-02 03:39:38,778 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:38,778 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash -935504334, now seen corresponding path program 1 times [2023-04-02 03:39:38,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:38,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709516155] [2023-04-02 03:39:38,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:38,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:39:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:39:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:39:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:39:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:39:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:39:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:39:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:39:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:39:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:39:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:39:39,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:39,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709516155] [2023-04-02 03:39:39,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709516155] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:39:39,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399447059] [2023-04-02 03:39:39,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:39,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:39:39,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:39:39,775 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) [2023-04-02 03:39:39,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 03:39:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 1927 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:39:40,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:39:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:39:40,167 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:39:40,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399447059] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:40,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:39:40,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 03:39:40,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105889891] [2023-04-02 03:39:40,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:40,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:39:40,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:40,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:39:40,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:39:40,169 INFO L87 Difference]: Start difference. First operand 404 states and 537 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:39:40,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:39:40,416 INFO L93 Difference]: Finished difference Result 782 states and 1069 transitions. [2023-04-02 03:39:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:39:40,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 155 [2023-04-02 03:39:40,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:39:40,419 INFO L225 Difference]: With dead ends: 782 [2023-04-02 03:39:40,420 INFO L226 Difference]: Without dead ends: 443 [2023-04-02 03:39:40,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:39:40,423 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 51 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1074 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 [2023-04-02 03:39:40,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1074 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:39:40,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-04-02 03:39:40,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 442. [2023-04-02 03:39:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 297 states have (on average 1.4545454545454546) internal successors, (432), 300 states have internal predecessors, (432), 88 states have call successors, (88), 60 states have call predecessors, (88), 56 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-04-02 03:39:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 603 transitions. [2023-04-02 03:39:40,619 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 603 transitions. Word has length 155 [2023-04-02 03:39:40,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:39:40,619 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 603 transitions. [2023-04-02 03:39:40,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:39:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 603 transitions. [2023-04-02 03:39:40,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-04-02 03:39:40,621 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:40,621 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:39:40,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 03:39:40,828 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 [2023-04-02 03:39:40,829 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:40,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:40,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1432618081, now seen corresponding path program 1 times [2023-04-02 03:39:40,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:40,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841182417] [2023-04-02 03:39:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:40,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:39:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:39:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:39:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:39:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:39:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 03:39:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:39:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:39:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:39:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:39:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:39:41,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:41,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841182417] [2023-04-02 03:39:41,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841182417] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:39:41,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135606753] [2023-04-02 03:39:41,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:41,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:39:41,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:39:41,669 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) [2023-04-02 03:39:41,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 03:39:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:42,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 1932 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:39:42,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:39:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 03:39:42,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:39:42,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135606753] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:42,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:39:42,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-04-02 03:39:42,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675913874] [2023-04-02 03:39:42,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:42,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:39:42,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:42,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:39:42,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:39:42,200 INFO L87 Difference]: Start difference. First operand 442 states and 603 transitions. Second operand has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 9 states have internal predecessors, (88), 6 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-04-02 03:39:42,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:39:42,816 INFO L93 Difference]: Finished difference Result 862 states and 1186 transitions. [2023-04-02 03:39:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:39:42,816 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 9 states have internal predecessors, (88), 6 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) Word has length 156 [2023-04-02 03:39:42,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:39:42,820 INFO L225 Difference]: With dead ends: 862 [2023-04-02 03:39:42,820 INFO L226 Difference]: Without dead ends: 456 [2023-04-02 03:39:42,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-04-02 03:39:42,823 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 496 mSDsluCounter, 2413 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 2953 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:39:42,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 2953 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 03:39:42,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2023-04-02 03:39:43,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2023-04-02 03:39:43,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 308 states have (on average 1.4577922077922079) internal successors, (449), 312 states have internal predecessors, (449), 88 states have call successors, (88), 62 states have call predecessors, (88), 59 states have return successors, (84), 83 states have call predecessors, (84), 83 states have call successors, (84) [2023-04-02 03:39:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 621 transitions. [2023-04-02 03:39:43,080 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 621 transitions. Word has length 156 [2023-04-02 03:39:43,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:39:43,080 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 621 transitions. [2023-04-02 03:39:43,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 9 states have internal predecessors, (88), 6 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-04-02 03:39:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 621 transitions. [2023-04-02 03:39:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-04-02 03:39:43,085 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:43,085 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2023-04-02 03:39:43,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 03:39:43,293 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 [2023-04-02 03:39:43,295 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:43,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:43,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1379374362, now seen corresponding path program 1 times [2023-04-02 03:39:43,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:43,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911910806] [2023-04-02 03:39:43,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:43,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:39:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:39:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:43,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:39:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:39:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 03:39:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 03:39:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 03:39:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:39:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:39:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:39:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:39:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,227 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:39:44,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:44,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911910806] [2023-04-02 03:39:44,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911910806] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:39:44,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592603872] [2023-04-02 03:39:44,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:44,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:39:44,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:39:44,229 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) [2023-04-02 03:39:44,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 03:39:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:44,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:39:44,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:39:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 03:39:44,705 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:39:44,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592603872] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:44,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:39:44,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-04-02 03:39:44,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709158824] [2023-04-02 03:39:44,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:44,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:39:44,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:44,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:39:44,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-04-02 03:39:44,707 INFO L87 Difference]: Start difference. First operand 456 states and 621 transitions. Second operand has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) [2023-04-02 03:39:45,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:39:45,264 INFO L93 Difference]: Finished difference Result 863 states and 1190 transitions. [2023-04-02 03:39:45,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 03:39:45,264 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) Word has length 157 [2023-04-02 03:39:45,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:39:45,266 INFO L225 Difference]: With dead ends: 863 [2023-04-02 03:39:45,266 INFO L226 Difference]: Without dead ends: 458 [2023-04-02 03:39:45,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-04-02 03:39:45,268 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 485 mSDsluCounter, 1647 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 2186 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:39:45,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 2186 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 03:39:45,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2023-04-02 03:39:45,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2023-04-02 03:39:45,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 309 states have (on average 1.4563106796116505) internal successors, (450), 314 states have internal predecessors, (450), 88 states have call successors, (88), 62 states have call predecessors, (88), 60 states have return successors, (86), 83 states have call predecessors, (86), 83 states have call successors, (86) [2023-04-02 03:39:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 624 transitions. [2023-04-02 03:39:45,455 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 624 transitions. Word has length 157 [2023-04-02 03:39:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:39:45,456 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 624 transitions. [2023-04-02 03:39:45,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) [2023-04-02 03:39:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 624 transitions. [2023-04-02 03:39:45,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-02 03:39:45,457 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:45,457 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:39:45,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 03:39:45,669 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 [2023-04-02 03:39:45,669 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:45,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:45,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1150043201, now seen corresponding path program 1 times [2023-04-02 03:39:45,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:45,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595395570] [2023-04-02 03:39:45,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:45,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:39:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:39:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:39:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:39:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:39:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 03:39:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:39:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:39:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:39:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:39:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:39:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:39:46,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:46,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595395570] [2023-04-02 03:39:46,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595395570] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:46,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:39:46,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:39:46,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695062521] [2023-04-02 03:39:46,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:46,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:39:46,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:46,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:39:46,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:39:46,487 INFO L87 Difference]: Start difference. First operand 458 states and 624 transitions. Second operand has 18 states, 15 states have (on average 5.533333333333333) internal successors, (83), 9 states have internal predecessors, (83), 6 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-04-02 03:39:55,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:39:55,609 INFO L93 Difference]: Finished difference Result 1264 states and 1861 transitions. [2023-04-02 03:39:55,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 03:39:55,609 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.533333333333333) internal successors, (83), 9 states have internal predecessors, (83), 6 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) Word has length 158 [2023-04-02 03:39:55,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:39:55,613 INFO L225 Difference]: With dead ends: 1264 [2023-04-02 03:39:55,613 INFO L226 Difference]: Without dead ends: 865 [2023-04-02 03:39:55,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 03:39:55,615 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4166 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 6245 mSolverCounterSat, 1876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4169 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 8121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1876 IncrementalHoareTripleChecker+Valid, 6245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:39:55,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4169 Valid, 77 Invalid, 8121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1876 Valid, 6245 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-04-02 03:39:55,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2023-04-02 03:39:55,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 468. [2023-04-02 03:39:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 318 states have (on average 1.4528301886792452) internal successors, (462), 322 states have internal predecessors, (462), 88 states have call successors, (88), 64 states have call predecessors, (88), 61 states have return successors, (85), 83 states have call predecessors, (85), 83 states have call successors, (85) [2023-04-02 03:39:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 635 transitions. [2023-04-02 03:39:55,818 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 635 transitions. Word has length 158 [2023-04-02 03:39:55,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:39:55,819 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 635 transitions. [2023-04-02 03:39:55,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.533333333333333) internal successors, (83), 9 states have internal predecessors, (83), 6 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-04-02 03:39:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 635 transitions. [2023-04-02 03:39:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-02 03:39:55,820 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:55,820 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:39:55,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 03:39:55,821 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:55,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:55,821 INFO L85 PathProgramCache]: Analyzing trace with hash -930865466, now seen corresponding path program 2 times [2023-04-02 03:39:55,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:55,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7180871] [2023-04-02 03:39:55,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:55,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:39:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:39:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:39:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:39:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:39:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:39:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 03:39:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 03:39:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:39:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:39:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:39:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:39:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:39:56,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:56,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7180871] [2023-04-02 03:39:56,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7180871] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:56,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:39:56,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:39:56,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142055663] [2023-04-02 03:39:56,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:56,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:39:56,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:56,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:39:56,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:39:56,754 INFO L87 Difference]: Start difference. First operand 468 states and 635 transitions. Second operand has 19 states, 16 states have (on average 5.4375) internal successors, (87), 9 states have internal predecessors, (87), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-04-02 03:40:04,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:04,674 INFO L93 Difference]: Finished difference Result 1266 states and 1866 transitions. [2023-04-02 03:40:04,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 03:40:04,675 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 5.4375) internal successors, (87), 9 states have internal predecessors, (87), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 159 [2023-04-02 03:40:04,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:04,678 INFO L225 Difference]: With dead ends: 1266 [2023-04-02 03:40:04,678 INFO L226 Difference]: Without dead ends: 878 [2023-04-02 03:40:04,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 03:40:04,680 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3764 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 6929 mSolverCounterSat, 1789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3767 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 8718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1789 IncrementalHoareTripleChecker+Valid, 6929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:04,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3767 Valid, 86 Invalid, 8718 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1789 Valid, 6929 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-04-02 03:40:04,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2023-04-02 03:40:04,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 473. [2023-04-02 03:40:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 320 states have (on average 1.45) internal successors, (464), 325 states have internal predecessors, (464), 89 states have call successors, (89), 64 states have call predecessors, (89), 63 states have return successors, (88), 85 states have call predecessors, (88), 84 states have call successors, (88) [2023-04-02 03:40:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 641 transitions. [2023-04-02 03:40:05,000 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 641 transitions. Word has length 159 [2023-04-02 03:40:05,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:05,001 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 641 transitions. [2023-04-02 03:40:05,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 5.4375) internal successors, (87), 9 states have internal predecessors, (87), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-04-02 03:40:05,002 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 641 transitions. [2023-04-02 03:40:05,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-04-02 03:40:05,005 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:05,005 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:40:05,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 03:40:05,006 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:05,006 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:05,006 INFO L85 PathProgramCache]: Analyzing trace with hash 899547955, now seen corresponding path program 3 times [2023-04-02 03:40:05,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:05,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385546449] [2023-04-02 03:40:05,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:05,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:40:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:40:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:40:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:40:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:40:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:40:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:40:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:40:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:40:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-02 03:40:05,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:05,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385546449] [2023-04-02 03:40:05,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385546449] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:05,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:40:05,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:40:05,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060386036] [2023-04-02 03:40:05,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:05,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:40:05,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:05,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:40:05,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:40:05,855 INFO L87 Difference]: Start difference. First operand 473 states and 641 transitions. Second operand has 18 states, 15 states have (on average 5.6) internal successors, (84), 9 states have internal predecessors, (84), 6 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-04-02 03:40:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:13,924 INFO L93 Difference]: Finished difference Result 1262 states and 1857 transitions. [2023-04-02 03:40:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 03:40:13,924 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.6) internal successors, (84), 9 states have internal predecessors, (84), 6 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) Word has length 160 [2023-04-02 03:40:13,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:13,928 INFO L225 Difference]: With dead ends: 1262 [2023-04-02 03:40:13,928 INFO L226 Difference]: Without dead ends: 867 [2023-04-02 03:40:13,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 03:40:13,931 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2360 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 6379 mSolverCounterSat, 1102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2363 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 7481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1102 IncrementalHoareTripleChecker+Valid, 6379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:13,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2363 Valid, 79 Invalid, 7481 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1102 Valid, 6379 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-04-02 03:40:13,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2023-04-02 03:40:14,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 468. [2023-04-02 03:40:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 318 states have (on average 1.449685534591195) internal successors, (461), 322 states have internal predecessors, (461), 88 states have call successors, (88), 64 states have call predecessors, (88), 61 states have return successors, (85), 83 states have call predecessors, (85), 83 states have call successors, (85) [2023-04-02 03:40:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 634 transitions. [2023-04-02 03:40:14,169 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 634 transitions. Word has length 160 [2023-04-02 03:40:14,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:14,169 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 634 transitions. [2023-04-02 03:40:14,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.6) internal successors, (84), 9 states have internal predecessors, (84), 6 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-04-02 03:40:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 634 transitions. [2023-04-02 03:40:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-04-02 03:40:14,171 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:14,171 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:40:14,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:40:14,171 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:14,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:14,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1114275718, now seen corresponding path program 1 times [2023-04-02 03:40:14,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:14,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575738219] [2023-04-02 03:40:14,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:14,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:40:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:40:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:40:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:40:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:40:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:40:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:40:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:40:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:40:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:40:14,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:14,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575738219] [2023-04-02 03:40:14,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575738219] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:14,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:40:14,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:40:14,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420443188] [2023-04-02 03:40:14,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:14,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:40:14,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:14,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:40:14,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:40:14,863 INFO L87 Difference]: Start difference. First operand 468 states and 634 transitions. Second operand has 19 states, 16 states have (on average 5.5) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-04-02 03:40:25,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:25,039 INFO L93 Difference]: Finished difference Result 1255 states and 1845 transitions. [2023-04-02 03:40:25,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:40:25,040 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 5.5) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 160 [2023-04-02 03:40:25,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:25,058 INFO L225 Difference]: With dead ends: 1255 [2023-04-02 03:40:25,058 INFO L226 Difference]: Without dead ends: 867 [2023-04-02 03:40:25,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=655, Invalid=2425, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:40:25,060 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2226 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 7400 mSolverCounterSat, 1022 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2229 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 8422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1022 IncrementalHoareTripleChecker+Valid, 7400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:25,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2229 Valid, 90 Invalid, 8422 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1022 Valid, 7400 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-04-02 03:40:25,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2023-04-02 03:40:25,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 468. [2023-04-02 03:40:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 318 states have (on average 1.449685534591195) internal successors, (461), 322 states have internal predecessors, (461), 88 states have call successors, (88), 64 states have call predecessors, (88), 61 states have return successors, (84), 83 states have call predecessors, (84), 83 states have call successors, (84) [2023-04-02 03:40:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 633 transitions. [2023-04-02 03:40:25,290 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 633 transitions. Word has length 160 [2023-04-02 03:40:25,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:25,290 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 633 transitions. [2023-04-02 03:40:25,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 5.5) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-04-02 03:40:25,291 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 633 transitions. [2023-04-02 03:40:25,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-04-02 03:40:25,292 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:25,292 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:40:25,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:40:25,293 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:25,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:25,293 INFO L85 PathProgramCache]: Analyzing trace with hash -491202561, now seen corresponding path program 2 times [2023-04-02 03:40:25,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:25,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16906801] [2023-04-02 03:40:25,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:25,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:40:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:40:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:40:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:40:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:26,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:40:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:26,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:40:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:40:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:40:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:40:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:40:26,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:26,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16906801] [2023-04-02 03:40:26,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16906801] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:26,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:40:26,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:40:26,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979002632] [2023-04-02 03:40:26,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:26,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:40:26,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:26,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:40:26,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:40:26,103 INFO L87 Difference]: Start difference. First operand 468 states and 633 transitions. Second operand has 19 states, 16 states have (on average 5.5625) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-04-02 03:40:36,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:36,370 INFO L93 Difference]: Finished difference Result 1261 states and 1853 transitions. [2023-04-02 03:40:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:40:36,370 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 5.5625) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 161 [2023-04-02 03:40:36,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:36,373 INFO L225 Difference]: With dead ends: 1261 [2023-04-02 03:40:36,373 INFO L226 Difference]: Without dead ends: 873 [2023-04-02 03:40:36,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=655, Invalid=2425, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:40:36,375 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2174 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 7142 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 8158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 7142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:36,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2177 Valid, 88 Invalid, 8158 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1016 Valid, 7142 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-04-02 03:40:36,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2023-04-02 03:40:36,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 470. [2023-04-02 03:40:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 319 states have (on average 1.4482758620689655) internal successors, (462), 324 states have internal predecessors, (462), 88 states have call successors, (88), 64 states have call predecessors, (88), 62 states have return successors, (86), 83 states have call predecessors, (86), 83 states have call successors, (86) [2023-04-02 03:40:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 636 transitions. [2023-04-02 03:40:36,615 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 636 transitions. Word has length 161 [2023-04-02 03:40:36,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:36,615 INFO L495 AbstractCegarLoop]: Abstraction has 470 states and 636 transitions. [2023-04-02 03:40:36,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 5.5625) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-04-02 03:40:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 636 transitions. [2023-04-02 03:40:36,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-04-02 03:40:36,617 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:36,618 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:40:36,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:40:36,618 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:36,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:36,618 INFO L85 PathProgramCache]: Analyzing trace with hash -107047777, now seen corresponding path program 1 times [2023-04-02 03:40:36,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:36,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215472429] [2023-04-02 03:40:36,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:36,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:40:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:40:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:40:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:40:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:40:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:40:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:40:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:40:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:40:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:40:37,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:37,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215472429] [2023-04-02 03:40:37,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215472429] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:37,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:40:37,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:40:37,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254362051] [2023-04-02 03:40:37,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:37,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:40:37,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:37,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:40:37,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:40:37,522 INFO L87 Difference]: Start difference. First operand 470 states and 636 transitions. Second operand has 19 states, 16 states have (on average 5.625) internal successors, (90), 9 states have internal predecessors, (90), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-04-02 03:40:47,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:47,261 INFO L93 Difference]: Finished difference Result 1261 states and 1849 transitions. [2023-04-02 03:40:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 03:40:47,289 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 5.625) internal successors, (90), 9 states have internal predecessors, (90), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 162 [2023-04-02 03:40:47,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:47,292 INFO L225 Difference]: With dead ends: 1261 [2023-04-02 03:40:47,292 INFO L226 Difference]: Without dead ends: 871 [2023-04-02 03:40:47,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=613, Invalid=2143, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 03:40:47,294 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1746 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 7440 mSolverCounterSat, 808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 8248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 808 IncrementalHoareTripleChecker+Valid, 7440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:47,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 92 Invalid, 8248 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [808 Valid, 7440 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-04-02 03:40:47,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2023-04-02 03:40:47,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 477. [2023-04-02 03:40:47,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 322 states have (on average 1.4440993788819876) internal successors, (465), 329 states have internal predecessors, (465), 89 states have call successors, (89), 64 states have call predecessors, (89), 65 states have return successors, (92), 85 states have call predecessors, (92), 84 states have call successors, (92) [2023-04-02 03:40:47,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 646 transitions. [2023-04-02 03:40:47,556 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 646 transitions. Word has length 162 [2023-04-02 03:40:47,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:47,557 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 646 transitions. [2023-04-02 03:40:47,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 5.625) internal successors, (90), 9 states have internal predecessors, (90), 5 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-04-02 03:40:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 646 transitions. [2023-04-02 03:40:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-04-02 03:40:47,558 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:47,558 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:40:47,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:40:47,559 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:47,559 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:47,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1769435041, now seen corresponding path program 1 times [2023-04-02 03:40:47,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:47,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852359540] [2023-04-02 03:40:47,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:47,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:47,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:40:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:40:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:40:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:40:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:40:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:40:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:40:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:40:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:40:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-02 03:40:48,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:48,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852359540] [2023-04-02 03:40:48,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852359540] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:48,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:40:48,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:40:48,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327817751] [2023-04-02 03:40:48,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:48,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:40:48,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:48,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:40:48,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:40:48,165 INFO L87 Difference]: Start difference. First operand 477 states and 646 transitions. Second operand has 18 states, 15 states have (on average 5.8) internal successors, (87), 9 states have internal predecessors, (87), 6 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-04-02 03:40:56,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:56,782 INFO L93 Difference]: Finished difference Result 1249 states and 1832 transitions. [2023-04-02 03:40:56,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-04-02 03:40:56,782 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.8) internal successors, (87), 9 states have internal predecessors, (87), 6 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) Word has length 162 [2023-04-02 03:40:56,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:56,785 INFO L225 Difference]: With dead ends: 1249 [2023-04-02 03:40:56,785 INFO L226 Difference]: Without dead ends: 852 [2023-04-02 03:40:56,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=568, Invalid=1784, Unknown=0, NotChecked=0, Total=2352 [2023-04-02 03:40:56,787 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3330 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 6500 mSolverCounterSat, 1506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 8006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1506 IncrementalHoareTripleChecker+Valid, 6500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:56,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 63 Invalid, 8006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1506 Valid, 6500 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-04-02 03:40:56,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2023-04-02 03:40:57,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 470. [2023-04-02 03:40:57,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 319 states have (on average 1.445141065830721) internal successors, (461), 324 states have internal predecessors, (461), 88 states have call successors, (88), 64 states have call predecessors, (88), 62 states have return successors, (86), 83 states have call predecessors, (86), 83 states have call successors, (86) [2023-04-02 03:40:57,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 635 transitions. [2023-04-02 03:40:57,071 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 635 transitions. Word has length 162 [2023-04-02 03:40:57,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:57,072 INFO L495 AbstractCegarLoop]: Abstraction has 470 states and 635 transitions. [2023-04-02 03:40:57,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.8) internal successors, (87), 9 states have internal predecessors, (87), 6 states have call successors, (35), 11 states have call predecessors, (35), 5 states have return successors, (26), 4 states have call predecessors, (26), 6 states have call successors, (26) [2023-04-02 03:40:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 635 transitions. [2023-04-02 03:40:57,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-04-02 03:40:57,073 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:57,073 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:40:57,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:40:57,073 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:57,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:57,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1511927137, now seen corresponding path program 1 times [2023-04-02 03:40:57,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:57,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632697023] [2023-04-02 03:40:57,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:57,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:40:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:40:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:40:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:40:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:40:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:40:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:40:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:40:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:40:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:40:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:40:57,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:57,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632697023] [2023-04-02 03:40:57,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632697023] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:40:57,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947666390] [2023-04-02 03:40:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:57,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:40:57,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:40:57,668 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:40:57,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 03:40:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:58,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 1938 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:40:58,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:40:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:40:58,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 03:40:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:40:58,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947666390] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 03:40:58,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 03:40:58,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2023-04-02 03:40:58,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690002491] [2023-04-02 03:40:58,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 03:40:58,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 03:40:58,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:58,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 03:40:58,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2023-04-02 03:40:58,200 INFO L87 Difference]: Start difference. First operand 470 states and 635 transitions. Second operand has 16 states, 16 states have (on average 8.4375) internal successors, (135), 7 states have internal predecessors, (135), 2 states have call successors, (63), 11 states have call predecessors, (63), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 03:41:07,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:41:07,695 INFO L93 Difference]: Finished difference Result 1534 states and 2452 transitions. [2023-04-02 03:41:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:41:07,696 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.4375) internal successors, (135), 7 states have internal predecessors, (135), 2 states have call successors, (63), 11 states have call predecessors, (63), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 162 [2023-04-02 03:41:07,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:41:07,721 INFO L225 Difference]: With dead ends: 1534 [2023-04-02 03:41:07,722 INFO L226 Difference]: Without dead ends: 1353 [2023-04-02 03:41:07,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=408, Invalid=924, Unknown=0, NotChecked=0, Total=1332 [2023-04-02 03:41:07,723 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3831 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 1334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3857 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 4196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1334 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:41:07,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3857 Valid, 26 Invalid, 4196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1334 Valid, 2862 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-04-02 03:41:07,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2023-04-02 03:41:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 671. [2023-04-02 03:41:08,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 482 states have (on average 1.512448132780083) internal successors, (729), 487 states have internal predecessors, (729), 126 states have call successors, (126), 64 states have call predecessors, (126), 62 states have return successors, (124), 121 states have call predecessors, (124), 121 states have call successors, (124) [2023-04-02 03:41:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 979 transitions. [2023-04-02 03:41:08,335 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 979 transitions. Word has length 162 [2023-04-02 03:41:08,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:41:08,335 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 979 transitions. [2023-04-02 03:41:08,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.4375) internal successors, (135), 7 states have internal predecessors, (135), 2 states have call successors, (63), 11 states have call predecessors, (63), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 03:41:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 979 transitions. [2023-04-02 03:41:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-02 03:41:08,337 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:41:08,341 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:41:08,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 03:41:08,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-02 03:41:08,549 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:41:08,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:41:08,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1079324866, now seen corresponding path program 1 times [2023-04-02 03:41:08,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:41:08,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512690976] [2023-04-02 03:41:08,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:41:08,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:41:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:41:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:41:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:41:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:41:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:41:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:41:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:41:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:41:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:41:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:41:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:41:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:41:09,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:41:09,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512690976] [2023-04-02 03:41:09,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512690976] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:41:09,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:41:09,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:41:09,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978075238] [2023-04-02 03:41:09,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:41:09,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:41:09,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:41:09,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:41:09,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:41:09,162 INFO L87 Difference]: Start difference. First operand 671 states and 979 transitions. Second operand has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:41:15,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:41:15,972 INFO L93 Difference]: Finished difference Result 2406 states and 3981 transitions. [2023-04-02 03:41:15,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:41:15,973 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2023-04-02 03:41:15,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:41:15,978 INFO L225 Difference]: With dead ends: 2406 [2023-04-02 03:41:15,979 INFO L226 Difference]: Without dead ends: 1837 [2023-04-02 03:41:15,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:41:15,980 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2337 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2512 mSolverCounterSat, 993 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2363 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 3505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 2512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:41:15,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2363 Valid, 30 Invalid, 3505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [993 Valid, 2512 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-02 03:41:15,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2023-04-02 03:41:16,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 869. [2023-04-02 03:41:16,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 642 states have (on average 1.5327102803738317) internal successors, (984), 647 states have internal predecessors, (984), 164 states have call successors, (164), 64 states have call predecessors, (164), 62 states have return successors, (162), 159 states have call predecessors, (162), 159 states have call successors, (162) [2023-04-02 03:41:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1310 transitions. [2023-04-02 03:41:16,727 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1310 transitions. Word has length 168 [2023-04-02 03:41:16,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:41:16,727 INFO L495 AbstractCegarLoop]: Abstraction has 869 states and 1310 transitions. [2023-04-02 03:41:16,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:41:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1310 transitions. [2023-04-02 03:41:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-02 03:41:16,730 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:41:16,730 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:41:16,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:41:16,730 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:41:16,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:41:16,731 INFO L85 PathProgramCache]: Analyzing trace with hash -913897009, now seen corresponding path program 1 times [2023-04-02 03:41:16,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:41:16,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602403599] [2023-04-02 03:41:16,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:41:16,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:41:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:41:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:41:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:41:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:41:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:41:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:41:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:41:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:41:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:41:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:41:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:41:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:17,286 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:41:17,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:41:17,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602403599] [2023-04-02 03:41:17,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602403599] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:41:17,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:41:17,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:41:17,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674958713] [2023-04-02 03:41:17,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:41:17,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:41:17,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:41:17,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:41:17,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:41:17,288 INFO L87 Difference]: Start difference. First operand 869 states and 1310 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:41:25,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:41:25,580 INFO L93 Difference]: Finished difference Result 3410 states and 5805 transitions. [2023-04-02 03:41:25,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:41:25,580 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2023-04-02 03:41:25,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:41:25,605 INFO L225 Difference]: With dead ends: 3410 [2023-04-02 03:41:25,605 INFO L226 Difference]: Without dead ends: 2672 [2023-04-02 03:41:25,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:41:25,624 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2815 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2229 mSolverCounterSat, 1185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2841 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 3414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1185 IncrementalHoareTripleChecker+Valid, 2229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:41:25,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2841 Valid, 28 Invalid, 3414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1185 Valid, 2229 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-04-02 03:41:25,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2672 states. [2023-04-02 03:41:26,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2672 to 1169. [2023-04-02 03:41:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 889 states have (on average 1.546681664791901) internal successors, (1375), 894 states have internal predecessors, (1375), 217 states have call successors, (217), 64 states have call predecessors, (217), 62 states have return successors, (215), 212 states have call predecessors, (215), 212 states have call successors, (215) [2023-04-02 03:41:26,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1807 transitions. [2023-04-02 03:41:26,816 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1807 transitions. Word has length 169 [2023-04-02 03:41:26,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:41:26,817 INFO L495 AbstractCegarLoop]: Abstraction has 1169 states and 1807 transitions. [2023-04-02 03:41:26,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:41:26,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1807 transitions. [2023-04-02 03:41:26,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-02 03:41:26,821 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:41:26,821 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:41:26,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:41:26,821 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:41:26,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:41:26,822 INFO L85 PathProgramCache]: Analyzing trace with hash 893244092, now seen corresponding path program 1 times [2023-04-02 03:41:26,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:41:26,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367934183] [2023-04-02 03:41:26,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:41:26,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:41:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:41:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:41:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:41:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:41:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:41:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:41:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:41:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:41:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:41:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:41:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:41:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:41:27,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:41:27,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367934183] [2023-04-02 03:41:27,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367934183] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:41:27,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:41:27,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:41:27,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489047222] [2023-04-02 03:41:27,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:41:27,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:41:27,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:41:27,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:41:27,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:41:27,375 INFO L87 Difference]: Start difference. First operand 1169 states and 1807 transitions. Second operand has 12 states, 12 states have (on average 7.75) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:41:37,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:41:37,688 INFO L93 Difference]: Finished difference Result 4970 states and 8622 transitions. [2023-04-02 03:41:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:41:37,689 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 170 [2023-04-02 03:41:37,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:41:37,701 INFO L225 Difference]: With dead ends: 4970 [2023-04-02 03:41:37,701 INFO L226 Difference]: Without dead ends: 3988 [2023-04-02 03:41:37,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:41:37,705 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2298 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2301 mSolverCounterSat, 871 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2324 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 3172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 871 IncrementalHoareTripleChecker+Valid, 2301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:41:37,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2324 Valid, 26 Invalid, 3172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [871 Valid, 2301 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-04-02 03:41:37,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3988 states. [2023-04-02 03:41:39,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3988 to 1642. [2023-04-02 03:41:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1642 states, 1281 states have (on average 1.5526932084309133) internal successors, (1989), 1286 states have internal predecessors, (1989), 298 states have call successors, (298), 64 states have call predecessors, (298), 62 states have return successors, (296), 293 states have call predecessors, (296), 293 states have call successors, (296) [2023-04-02 03:41:39,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2583 transitions. [2023-04-02 03:41:39,662 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2583 transitions. Word has length 170 [2023-04-02 03:41:39,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:41:39,662 INFO L495 AbstractCegarLoop]: Abstraction has 1642 states and 2583 transitions. [2023-04-02 03:41:39,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:41:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2583 transitions. [2023-04-02 03:41:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-04-02 03:41:39,667 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:41:39,667 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:41:39,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 03:41:39,668 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:41:39,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:41:39,668 INFO L85 PathProgramCache]: Analyzing trace with hash -273142513, now seen corresponding path program 1 times [2023-04-02 03:41:39,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:41:39,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183819874] [2023-04-02 03:41:39,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:41:39,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:41:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:41:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:41:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:41:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:41:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:41:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 03:41:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:41:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:41:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:41:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:41:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:41:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:40,365 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:41:40,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:41:40,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183819874] [2023-04-02 03:41:40,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183819874] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:41:40,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:41:40,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:41:40,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463941999] [2023-04-02 03:41:40,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:41:40,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:41:40,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:41:40,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:41:40,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:41:40,371 INFO L87 Difference]: Start difference. First operand 1642 states and 2583 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:41:53,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:41:53,720 INFO L93 Difference]: Finished difference Result 7509 states and 13176 transitions. [2023-04-02 03:41:53,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:41:53,720 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 171 [2023-04-02 03:41:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:41:53,754 INFO L225 Difference]: With dead ends: 7509 [2023-04-02 03:41:53,755 INFO L226 Difference]: Without dead ends: 6153 [2023-04-02 03:41:53,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:41:53,760 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2173 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 877 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2199 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 3358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 877 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:41:53,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2199 Valid, 28 Invalid, 3358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [877 Valid, 2481 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-02 03:41:53,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6153 states. [2023-04-02 03:41:57,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6153 to 2410. [2023-04-02 03:41:57,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2410 states, 1922 states have (on average 1.5541103017689906) internal successors, (2987), 1927 states have internal predecessors, (2987), 425 states have call successors, (425), 64 states have call predecessors, (425), 62 states have return successors, (423), 420 states have call predecessors, (423), 420 states have call successors, (423) [2023-04-02 03:41:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3835 transitions. [2023-04-02 03:41:57,078 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3835 transitions. Word has length 171 [2023-04-02 03:41:57,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:41:57,078 INFO L495 AbstractCegarLoop]: Abstraction has 2410 states and 3835 transitions. [2023-04-02 03:41:57,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:41:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3835 transitions. [2023-04-02 03:41:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-02 03:41:57,084 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:41:57,084 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:41:57,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 03:41:57,085 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:41:57,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:41:57,085 INFO L85 PathProgramCache]: Analyzing trace with hash -313924740, now seen corresponding path program 1 times [2023-04-02 03:41:57,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:41:57,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748305658] [2023-04-02 03:41:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:41:57,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:41:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:41:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:41:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:41:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:41:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:41:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 03:41:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:41:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:41:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:41:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:41:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:41:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:41:57,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:41:57,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748305658] [2023-04-02 03:41:57,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748305658] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:41:57,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:41:57,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:41:57,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128699911] [2023-04-02 03:41:57,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:41:57,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:41:57,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:41:57,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:41:57,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:41:57,657 INFO L87 Difference]: Start difference. First operand 2410 states and 3835 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:42:17,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:42:17,595 INFO L93 Difference]: Finished difference Result 11976 states and 21165 transitions. [2023-04-02 03:42:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:42:17,595 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2023-04-02 03:42:17,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:42:17,618 INFO L225 Difference]: With dead ends: 11976 [2023-04-02 03:42:17,618 INFO L226 Difference]: Without dead ends: 9976 [2023-04-02 03:42:17,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:42:17,625 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3373 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 2176 mSolverCounterSat, 1368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 3544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1368 IncrementalHoareTripleChecker+Valid, 2176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:42:17,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 24 Invalid, 3544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1368 Valid, 2176 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-04-02 03:42:17,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9976 states. [2023-04-02 03:42:23,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9976 to 3781. [2023-04-02 03:42:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3781 states, 3049 states have (on average 1.5464086585765824) internal successors, (4715), 3054 states have internal predecessors, (4715), 669 states have call successors, (669), 64 states have call predecessors, (669), 62 states have return successors, (667), 664 states have call predecessors, (667), 664 states have call successors, (667) [2023-04-02 03:42:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3781 states and 6051 transitions. [2023-04-02 03:42:23,254 INFO L78 Accepts]: Start accepts. Automaton has 3781 states and 6051 transitions. Word has length 172 [2023-04-02 03:42:23,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:42:23,254 INFO L495 AbstractCegarLoop]: Abstraction has 3781 states and 6051 transitions. [2023-04-02 03:42:23,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:42:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3781 states and 6051 transitions. [2023-04-02 03:42:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-04-02 03:42:23,264 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:42:23,264 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:42:23,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 03:42:23,265 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:42:23,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:42:23,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1798576049, now seen corresponding path program 1 times [2023-04-02 03:42:23,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:42:23,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439549726] [2023-04-02 03:42:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:23,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:42:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:42:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:42:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:42:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:42:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:42:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:42:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:42:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:42:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:42:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:42:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:42:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:23,889 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:42:23,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:42:23,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439549726] [2023-04-02 03:42:23,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439549726] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:42:23,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:42:23,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:42:23,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069246391] [2023-04-02 03:42:23,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:42:23,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:42:23,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:42:23,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:42:23,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:42:23,892 INFO L87 Difference]: Start difference. First operand 3781 states and 6051 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:42:56,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:42:56,102 INFO L93 Difference]: Finished difference Result 19941 states and 35269 transitions. [2023-04-02 03:42:56,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:42:56,102 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 173 [2023-04-02 03:42:56,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:42:56,145 INFO L225 Difference]: With dead ends: 19941 [2023-04-02 03:42:56,145 INFO L226 Difference]: Without dead ends: 16797 [2023-04-02 03:42:56,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:42:56,158 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2453 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 1055 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2479 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 3255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1055 IncrementalHoareTripleChecker+Valid, 2200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:42:56,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2479 Valid, 24 Invalid, 3255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1055 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-04-02 03:42:56,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16797 states. [2023-04-02 03:43:06,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16797 to 6099. [2023-04-02 03:43:06,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6099 states, 4995 states have (on average 1.5437437437437438) internal successors, (7711), 5000 states have internal predecessors, (7711), 1041 states have call successors, (1041), 64 states have call predecessors, (1041), 62 states have return successors, (1039), 1036 states have call predecessors, (1039), 1036 states have call successors, (1039) [2023-04-02 03:43:06,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6099 states to 6099 states and 9791 transitions. [2023-04-02 03:43:06,137 INFO L78 Accepts]: Start accepts. Automaton has 6099 states and 9791 transitions. Word has length 173 [2023-04-02 03:43:06,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:43:06,137 INFO L495 AbstractCegarLoop]: Abstraction has 6099 states and 9791 transitions. [2023-04-02 03:43:06,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:43:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 6099 states and 9791 transitions. [2023-04-02 03:43:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-04-02 03:43:06,150 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:43:06,150 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:43:06,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-02 03:43:06,150 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:43:06,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:43:06,151 INFO L85 PathProgramCache]: Analyzing trace with hash -59666886, now seen corresponding path program 1 times [2023-04-02 03:43:06,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:43:06,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684070862] [2023-04-02 03:43:06,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:43:06,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:43:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:43:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:43:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:43:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:43:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:43:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:43:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:43:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 03:43:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:43:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:43:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:43:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:43:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:43:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:43:06,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:43:06,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684070862] [2023-04-02 03:43:06,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684070862] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:43:06,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:43:06,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:43:06,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81630689] [2023-04-02 03:43:06,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:43:06,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:43:06,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:43:06,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:43:06,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:43:06,696 INFO L87 Difference]: Start difference. First operand 6099 states and 9791 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (35), 11 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)