./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:21:57,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:21:57,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:21:57,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:21:57,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:21:57,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:21:57,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:21:57,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:21:57,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:21:57,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:21:57,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:21:57,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:21:57,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:21:57,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:21:57,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:21:57,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:21:57,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:21:57,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:21:57,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:21:57,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:21:57,324 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:21:57,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:21:57,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:21:57,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:21:57,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:21:57,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:21:57,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:21:57,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:21:57,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:21:57,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:21:57,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:21:57,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:21:57,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:21:57,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:21:57,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:21:57,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:21:57,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:21:57,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:21:57,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:21:57,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:21:57,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:21:57,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:21:57,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:21:57,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:21:57,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:21:57,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:21:57,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:21:57,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:21:57,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:21:57,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:21:57,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:21:57,386 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:21:57,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:21:57,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:21:57,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:21:57,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:21:57,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:21:57,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:21:57,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:21:57,389 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:21:57,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:21:57,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:21:57,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:21:57,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:21:57,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:21:57,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:21:57,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:21:57,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:21:57,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:21:57,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:21:57,391 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:21:57,391 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:21:57,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:21:57,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2022-07-14 02:21:57,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:21:57,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:21:57,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:21:57,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:21:57,651 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:21:57,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-14 02:21:57,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2bedc11f/0c49448319c346f0803197812f57ff04/FLAG3cd263869 [2022-07-14 02:21:58,423 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:21:58,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-14 02:21:58,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2bedc11f/0c49448319c346f0803197812f57ff04/FLAG3cd263869 [2022-07-14 02:21:58,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2bedc11f/0c49448319c346f0803197812f57ff04 [2022-07-14 02:21:58,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:21:58,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:21:58,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:21:58,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:21:58,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:21:58,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:21:58" (1/1) ... [2022-07-14 02:21:58,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b01d659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:21:58, skipping insertion in model container [2022-07-14 02:21:58,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:21:58" (1/1) ... [2022-07-14 02:21:58,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:21:58,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:22:00,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2022-07-14 02:22:00,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2022-07-14 02:22:00,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:22:00,726 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:22:01,002 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: i2c_data = (unsigned int )i2c_data & 65527U [7906] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 02:22:01,013 INFO L158 Benchmark]: Toolchain (without parser) took 2272.50ms. Allocated memory was 90.2MB in the beginning and 159.4MB in the end (delta: 69.2MB). Free memory was 45.7MB in the beginning and 92.6MB in the end (delta: -46.9MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-07-14 02:22:01,014 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 02:22:01,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2260.96ms. Allocated memory was 90.2MB in the beginning and 159.4MB in the end (delta: 69.2MB). Free memory was 45.4MB in the beginning and 92.6MB in the end (delta: -47.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-07-14 02:22:01,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2260.96ms. Allocated memory was 90.2MB in the beginning and 159.4MB in the end (delta: 69.2MB). Free memory was 45.4MB in the beginning and 92.6MB in the end (delta: -47.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: i2c_data = (unsigned int )i2c_data & 65527U [7906] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: i2c_data = (unsigned int )i2c_data & 65527U [7906]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:22:02,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:22:02,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:22:02,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:22:02,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:22:02,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:22:02,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:22:02,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:22:02,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:22:02,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:22:02,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:22:02,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:22:02,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:22:02,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:22:02,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:22:02,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:22:02,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:22:02,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:22:02,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:22:02,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:22:02,882 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:22:02,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:22:02,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:22:02,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:22:02,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:22:02,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:22:02,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:22:02,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:22:02,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:22:02,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:22:02,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:22:02,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:22:02,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:22:02,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:22:02,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:22:02,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:22:02,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:22:02,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:22:02,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:22:02,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:22:02,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:22:02,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:22:02,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 02:22:02,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:22:02,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:22:02,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:22:02,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:22:02,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:22:02,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:22:02,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:22:02,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:22:02,936 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:22:02,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:22:02,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:22:02,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:22:02,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:22:02,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:22:02,937 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 02:22:02,944 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 02:22:02,944 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 02:22:02,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:22:02,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:22:02,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:22:02,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:22:02,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:22:02,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:22:02,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:22:02,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:22:02,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:22:02,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:22:02,947 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 02:22:02,947 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 02:22:02,947 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:22:02,947 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:22:02,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:22:02,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 02:22:02,948 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2022-07-14 02:22:03,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:22:03,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:22:03,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:22:03,245 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:22:03,246 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:22:03,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-14 02:22:03,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9f63781/f6dec0637f4d4bafaaf12b0fc5af5e0f/FLAGab5255431 [2022-07-14 02:22:04,041 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:22:04,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-14 02:22:04,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9f63781/f6dec0637f4d4bafaaf12b0fc5af5e0f/FLAGab5255431 [2022-07-14 02:22:04,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9f63781/f6dec0637f4d4bafaaf12b0fc5af5e0f [2022-07-14 02:22:04,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:22:04,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:22:04,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:22:04,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:22:04,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:22:04,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:22:04" (1/1) ... [2022-07-14 02:22:04,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e08ba57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:04, skipping insertion in model container [2022-07-14 02:22:04,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:22:04" (1/1) ... [2022-07-14 02:22:04,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:22:04,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:22:06,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2022-07-14 02:22:06,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2022-07-14 02:22:06,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:22:06,570 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 02:22:06,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:22:06,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2022-07-14 02:22:06,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2022-07-14 02:22:06,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:22:06,919 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:22:07,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2022-07-14 02:22:07,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2022-07-14 02:22:07,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:22:07,441 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:22:07,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07 WrapperNode [2022-07-14 02:22:07,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:22:07,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:22:07,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:22:07,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:22:07,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (1/1) ... [2022-07-14 02:22:07,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (1/1) ... [2022-07-14 02:22:07,719 INFO L137 Inliner]: procedures = 333, calls = 1881, calls flagged for inlining = 162, calls inlined = 153, statements flattened = 4200 [2022-07-14 02:22:07,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:22:07,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:22:07,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:22:07,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:22:07,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (1/1) ... [2022-07-14 02:22:07,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (1/1) ... [2022-07-14 02:22:07,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (1/1) ... [2022-07-14 02:22:07,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (1/1) ... [2022-07-14 02:22:07,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (1/1) ... [2022-07-14 02:22:07,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (1/1) ... [2022-07-14 02:22:07,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (1/1) ... [2022-07-14 02:22:07,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:22:07,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:22:07,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:22:07,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:22:07,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (1/1) ... [2022-07-14 02:22:07,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:22:07,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:22:08,008 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) [2022-07-14 02:22:08,030 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 [2022-07-14 02:22:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_dump [2022-07-14 02:22:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_dump [2022-07-14 02:22:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 02:22:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init_controls [2022-07-14 02:22:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init_controls [2022-07-14 02:22:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init_controls [2022-07-14 02:22:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init_controls [2022-07-14 02:22:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 02:22:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 02:22:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init [2022-07-14 02:22:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init [2022-07-14 02:22:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 02:22:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:22:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:22:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:22:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_bytes [2022-07-14 02:22:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_bytes [2022-07-14 02:22:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:22:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:22:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-07-14 02:22:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-07-14 02:22:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2022-07-14 02:22:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2022-07-14 02:22:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:22:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:22:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_stop [2022-07-14 02:22:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_stop [2022-07-14 02:22:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1020 [2022-07-14 02:22:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1020 [2022-07-14 02:22:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:22:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:22:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2022-07-14 02:22:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2022-07-14 02:22:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_start [2022-07-14 02:22:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_start [2022-07-14 02:22:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init [2022-07-14 02:22:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init [2022-07-14 02:22:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:22:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-07-14 02:22:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-07-14 02:22:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor [2022-07-14 02:22:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor [2022-07-14 02:22:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:22:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1x00 [2022-07-14 02:22:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1x00 [2022-07-14 02:22:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:22:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:22:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_s_ctrl [2022-07-14 02:22:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_s_ctrl [2022-07-14 02:22:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-14 02:22:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-14 02:22:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-14 02:22:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-14 02:22:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:22:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:22:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 02:22:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 02:22:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 02:22:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:22:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_s_ctrl [2022-07-14 02:22:08,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_s_ctrl [2022-07-14 02:22:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:22:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_init [2022-07-14 02:22:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_init [2022-07-14 02:22:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 02:22:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 02:22:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 02:22:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 02:22:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init_controls [2022-07-14 02:22:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init_controls [2022-07-14 02:22:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 02:22:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 02:22:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init_controls [2022-07-14 02:22:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init_controls [2022-07-14 02:22:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_set_state [2022-07-14 02:22:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_set_state [2022-07-14 02:22:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:22:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:22:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_start [2022-07-14 02:22:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_start [2022-07-14 02:22:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-07-14 02:22:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-07-14 02:22:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 02:22:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 02:22:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_bridge [2022-07-14 02:22:08,061 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_bridge [2022-07-14 02:22:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_stop [2022-07-14 02:22:08,061 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_stop [2022-07-14 02:22:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:22:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:22:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_nego [2022-07-14 02:22:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_nego [2022-07-14 02:22:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 02:22:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 02:22:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init [2022-07-14 02:22:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init [2022-07-14 02:22:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_probe [2022-07-14 02:22:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_probe [2022-07-14 02:22:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init [2022-07-14 02:22:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init [2022-07-14 02:22:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 02:22:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 02:22:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 02:22:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 02:22:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 02:22:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 02:22:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:22:08,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:22:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:22:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:22:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_start [2022-07-14 02:22:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_start [2022-07-14 02:22:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_reg_write_seq [2022-07-14 02:22:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_reg_write_seq [2022-07-14 02:22:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-07-14 02:22:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-07-14 02:22:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_10_4 [2022-07-14 02:22:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_10_4 [2022-07-14 02:22:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 02:22:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 02:22:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_start [2022-07-14 02:22:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_start [2022-07-14 02:22:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:22:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:22:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_s_ctrl [2022-07-14 02:22:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_s_ctrl [2022-07-14 02:22:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:22:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2022-07-14 02:22:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2022-07-14 02:22:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 02:22:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 02:22:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 02:22:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 02:22:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init [2022-07-14 02:22:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init [2022-07-14 02:22:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_sensor [2022-07-14 02:22:08,078 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_sensor [2022-07-14 02:22:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_probe [2022-07-14 02:22:08,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_probe [2022-07-14 02:22:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:22:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:22:08,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:22:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_stop [2022-07-14 02:22:08,078 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_stop [2022-07-14 02:22:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:22:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_stop [2022-07-14 02:22:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_stop [2022-07-14 02:22:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_probe [2022-07-14 02:22:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_probe [2022-07-14 02:22:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_stopN [2022-07-14 02:22:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_stopN [2022-07-14 02:22:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_finish [2022-07-14 02:22:08,080 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_finish [2022-07-14 02:22:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_dump [2022-07-14 02:22:08,080 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_dump [2022-07-14 02:22:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_dump [2022-07-14 02:22:08,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_dump [2022-07-14 02:22:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2022-07-14 02:22:08,080 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2022-07-14 02:22:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 02:22:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 02:22:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:22:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:22:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 02:22:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 02:22:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_s_ctrl [2022-07-14 02:22:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_s_ctrl [2022-07-14 02:22:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init_controls [2022-07-14 02:22:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init_controls [2022-07-14 02:22:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:22:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:22:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_bridge [2022-07-14 02:22:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_bridge [2022-07-14 02:22:08,083 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2022-07-14 02:22:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2022-07-14 02:22:08,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:22:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:22:08,083 INFO L130 BoogieDeclarations]: Found specification of procedure sd_disconnect [2022-07-14 02:22:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_disconnect [2022-07-14 02:22:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:22:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:22:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_start [2022-07-14 02:22:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_start [2022-07-14 02:22:08,839 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:22:08,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:22:15,979 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:23:52,353 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:23:53,452 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:23:53,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:23:53,472 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 02:23:53,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:23:53 BoogieIcfgContainer [2022-07-14 02:23:53,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:23:53,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:23:53,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:23:53,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:23:53,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:22:04" (1/3) ... [2022-07-14 02:23:53,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d54b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:23:53, skipping insertion in model container [2022-07-14 02:23:53,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:07" (2/3) ... [2022-07-14 02:23:53,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d54b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:23:53, skipping insertion in model container [2022-07-14 02:23:53,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:23:53" (3/3) ... [2022-07-14 02:23:53,485 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-14 02:23:53,496 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:23:53,496 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:23:53,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:23:53,595 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@17ed74f9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6c80d5ca [2022-07-14 02:23:53,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:23:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 1864 states, 1342 states have (on average 1.3464977645305514) internal successors, (1807), 1344 states have internal predecessors, (1807), 442 states have call successors, (442), 80 states have call predecessors, (442), 79 states have return successors, (435), 435 states have call predecessors, (435), 435 states have call successors, (435) [2022-07-14 02:23:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-14 02:23:53,647 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:23:53,649 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:23:53,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:23:53,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:23:53,655 INFO L85 PathProgramCache]: Analyzing trace with hash -138110126, now seen corresponding path program 1 times [2022-07-14 02:23:53,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:23:53,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466434050] [2022-07-14 02:23:53,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:23:53,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:23:53,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:23:53,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:23:53,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 02:23:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:57,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 2841 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:23:57,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:23:58,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 02:23:58,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:23:58,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:23:58,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [466434050] [2022-07-14 02:23:58,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [466434050] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:23:58,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:23:58,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:23:58,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376020557] [2022-07-14 02:23:58,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:23:58,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:23:58,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:23:58,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:23:58,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:23:58,462 INFO L87 Difference]: Start difference. First operand has 1864 states, 1342 states have (on average 1.3464977645305514) internal successors, (1807), 1344 states have internal predecessors, (1807), 442 states have call successors, (442), 80 states have call predecessors, (442), 79 states have return successors, (435), 435 states have call predecessors, (435), 435 states have call successors, (435) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:24:00,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:02,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:24:02,178 INFO L93 Difference]: Finished difference Result 5437 states and 7898 transitions. [2022-07-14 02:24:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:24:02,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2022-07-14 02:24:02,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:24:02,227 INFO L225 Difference]: With dead ends: 5437 [2022-07-14 02:24:02,227 INFO L226 Difference]: Without dead ends: 3540 [2022-07-14 02:24:02,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:02,251 INFO L413 NwaCegarLoop]: 3096 mSDtfsCounter, 2510 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 5723 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:24:02,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2510 Valid, 5723 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-07-14 02:24:02,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2022-07-14 02:24:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3532. [2022-07-14 02:24:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3532 states, 2573 states have (on average 1.3478429848425961) internal successors, (3468), 2577 states have internal predecessors, (3468), 806 states have call successors, (806), 152 states have call predecessors, (806), 152 states have return successors, (806), 804 states have call predecessors, (806), 806 states have call successors, (806) [2022-07-14 02:24:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 5080 transitions. [2022-07-14 02:24:02,540 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 5080 transitions. Word has length 228 [2022-07-14 02:24:02,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:24:02,542 INFO L495 AbstractCegarLoop]: Abstraction has 3532 states and 5080 transitions. [2022-07-14 02:24:02,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:24:02,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 5080 transitions. [2022-07-14 02:24:02,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-07-14 02:24:02,553 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:24:02,554 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:24:02,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 02:24:02,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:24:02,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:24:02,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:24:02,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1107835187, now seen corresponding path program 1 times [2022-07-14 02:24:02,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:24:02,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347798347] [2022-07-14 02:24:02,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:24:02,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:24:02,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:24:02,760 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:24:02,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 02:24:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:06,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:24:06,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:24:07,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 02:24:07,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:24:07,140 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:24:07,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347798347] [2022-07-14 02:24:07,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347798347] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:24:07,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:24:07,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:24:07,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452481119] [2022-07-14 02:24:07,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:24:07,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:24:07,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:24:07,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:24:07,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:07,143 INFO L87 Difference]: Start difference. First operand 3532 states and 5080 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:24:09,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:10,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:24:10,812 INFO L93 Difference]: Finished difference Result 10116 states and 14530 transitions. [2022-07-14 02:24:10,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:24:10,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 233 [2022-07-14 02:24:10,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:24:10,871 INFO L225 Difference]: With dead ends: 10116 [2022-07-14 02:24:10,871 INFO L226 Difference]: Without dead ends: 6623 [2022-07-14 02:24:10,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:10,899 INFO L413 NwaCegarLoop]: 3139 mSDtfsCounter, 2248 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 5714 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:24:10,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 5714 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-14 02:24:10,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2022-07-14 02:24:11,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 6617. [2022-07-14 02:24:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6617 states, 4803 states have (on average 1.3418696647928379) internal successors, (6445), 4813 states have internal predecessors, (6445), 1523 states have call successors, (1523), 290 states have call predecessors, (1523), 290 states have return successors, (1523), 1515 states have call predecessors, (1523), 1523 states have call successors, (1523) [2022-07-14 02:24:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6617 states to 6617 states and 9491 transitions. [2022-07-14 02:24:11,177 INFO L78 Accepts]: Start accepts. Automaton has 6617 states and 9491 transitions. Word has length 233 [2022-07-14 02:24:11,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:24:11,178 INFO L495 AbstractCegarLoop]: Abstraction has 6617 states and 9491 transitions. [2022-07-14 02:24:11,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:24:11,179 INFO L276 IsEmpty]: Start isEmpty. Operand 6617 states and 9491 transitions. [2022-07-14 02:24:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-14 02:24:11,187 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:24:11,187 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:24:11,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 02:24:11,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:24:11,403 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:24:11,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:24:11,404 INFO L85 PathProgramCache]: Analyzing trace with hash -65098912, now seen corresponding path program 1 times [2022-07-14 02:24:11,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:24:11,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786835456] [2022-07-14 02:24:11,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:24:11,407 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:24:11,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:24:11,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:24:11,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 02:24:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:14,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:24:14,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:24:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 02:24:15,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:24:15,722 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:24:15,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786835456] [2022-07-14 02:24:15,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786835456] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:24:15,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:24:15,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:24:15,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701677760] [2022-07-14 02:24:15,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:24:15,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:24:15,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:24:15,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:24:15,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:15,724 INFO L87 Difference]: Start difference. First operand 6617 states and 9491 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:24:17,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:20,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:24:20,605 INFO L93 Difference]: Finished difference Result 19553 states and 28041 transitions. [2022-07-14 02:24:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:24:20,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 234 [2022-07-14 02:24:20,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:24:20,704 INFO L225 Difference]: With dead ends: 19553 [2022-07-14 02:24:20,704 INFO L226 Difference]: Without dead ends: 12975 [2022-07-14 02:24:20,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:20,755 INFO L413 NwaCegarLoop]: 3092 mSDtfsCounter, 2455 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2455 SdHoareTripleChecker+Valid, 5661 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:24:20,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2455 Valid, 5661 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-07-14 02:24:20,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12975 states. [2022-07-14 02:24:21,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12975 to 12957. [2022-07-14 02:24:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12957 states, 9415 states have (on average 1.341157727031333) internal successors, (12627), 9439 states have internal predecessors, (12627), 2961 states have call successors, (2961), 580 states have call predecessors, (2961), 580 states have return successors, (2961), 2941 states have call predecessors, (2961), 2961 states have call successors, (2961) [2022-07-14 02:24:21,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12957 states to 12957 states and 18549 transitions. [2022-07-14 02:24:21,379 INFO L78 Accepts]: Start accepts. Automaton has 12957 states and 18549 transitions. Word has length 234 [2022-07-14 02:24:21,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:24:21,380 INFO L495 AbstractCegarLoop]: Abstraction has 12957 states and 18549 transitions. [2022-07-14 02:24:21,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:24:21,381 INFO L276 IsEmpty]: Start isEmpty. Operand 12957 states and 18549 transitions. [2022-07-14 02:24:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-14 02:24:21,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:24:21,393 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:24:21,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 02:24:21,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:24:21,612 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:24:21,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:24:21,612 INFO L85 PathProgramCache]: Analyzing trace with hash -283864148, now seen corresponding path program 1 times [2022-07-14 02:24:21,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:24:21,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858537460] [2022-07-14 02:24:21,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:24:21,615 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:24:21,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:24:21,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:24:21,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 02:24:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:25,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:24:25,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:24:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 02:24:26,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:24:26,764 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:24:26,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858537460] [2022-07-14 02:24:26,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858537460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:24:26,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:24:26,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:24:26,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281575666] [2022-07-14 02:24:26,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:24:26,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:24:26,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:24:26,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:24:26,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:26,767 INFO L87 Difference]: Start difference. First operand 12957 states and 18549 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:24:29,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:31,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:24:31,006 INFO L93 Difference]: Finished difference Result 37445 states and 53664 transitions. [2022-07-14 02:24:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:24:31,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 243 [2022-07-14 02:24:31,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:24:31,132 INFO L225 Difference]: With dead ends: 37445 [2022-07-14 02:24:31,132 INFO L226 Difference]: Without dead ends: 24527 [2022-07-14 02:24:31,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:31,192 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 2402 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 5594 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:24:31,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 5594 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-14 02:24:31,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24527 states. [2022-07-14 02:24:31,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24527 to 24509. [2022-07-14 02:24:31,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24509 states, 17868 states have (on average 1.343295276471905) internal successors, (24002), 17932 states have internal predecessors, (24002), 5532 states have call successors, (5532), 1108 states have call predecessors, (5532), 1108 states have return successors, (5532), 5476 states have call predecessors, (5532), 5532 states have call successors, (5532) [2022-07-14 02:24:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24509 states to 24509 states and 35066 transitions. [2022-07-14 02:24:32,203 INFO L78 Accepts]: Start accepts. Automaton has 24509 states and 35066 transitions. Word has length 243 [2022-07-14 02:24:32,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:24:32,203 INFO L495 AbstractCegarLoop]: Abstraction has 24509 states and 35066 transitions. [2022-07-14 02:24:32,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:24:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 24509 states and 35066 transitions. [2022-07-14 02:24:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-14 02:24:32,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:24:32,215 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:24:32,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-14 02:24:32,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:24:32,431 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:24:32,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:24:32,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1336664887, now seen corresponding path program 1 times [2022-07-14 02:24:32,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:24:32,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984474885] [2022-07-14 02:24:32,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:24:32,434 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:24:32,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:24:32,435 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:24:32,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 02:24:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:35,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 2620 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:24:35,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:24:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 02:24:36,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:24:36,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:24:36,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984474885] [2022-07-14 02:24:36,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984474885] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:24:36,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:24:36,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:24:36,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122446909] [2022-07-14 02:24:36,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:24:36,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:24:36,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:24:36,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:24:36,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:36,702 INFO L87 Difference]: Start difference. First operand 24509 states and 35066 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 02:24:38,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:41,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:24:41,359 INFO L93 Difference]: Finished difference Result 72569 states and 103812 transitions. [2022-07-14 02:24:41,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:24:41,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 253 [2022-07-14 02:24:41,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:24:41,682 INFO L225 Difference]: With dead ends: 72569 [2022-07-14 02:24:41,682 INFO L226 Difference]: Without dead ends: 48099 [2022-07-14 02:24:41,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:41,819 INFO L413 NwaCegarLoop]: 3264 mSDtfsCounter, 2453 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 5831 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:24:41,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 5831 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-14 02:24:41,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48099 states. [2022-07-14 02:24:43,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48099 to 48081. [2022-07-14 02:24:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48081 states, 35095 states have (on average 1.3415871206724606) internal successors, (47083), 35231 states have internal predecessors, (47083), 10771 states have call successors, (10771), 2214 states have call predecessors, (10771), 2214 states have return successors, (10771), 10651 states have call predecessors, (10771), 10771 states have call successors, (10771) [2022-07-14 02:24:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48081 states to 48081 states and 68625 transitions. [2022-07-14 02:24:44,266 INFO L78 Accepts]: Start accepts. Automaton has 48081 states and 68625 transitions. Word has length 253 [2022-07-14 02:24:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:24:44,267 INFO L495 AbstractCegarLoop]: Abstraction has 48081 states and 68625 transitions. [2022-07-14 02:24:44,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 02:24:44,267 INFO L276 IsEmpty]: Start isEmpty. Operand 48081 states and 68625 transitions. [2022-07-14 02:24:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-14 02:24:44,280 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:24:44,280 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:24:44,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 02:24:44,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:24:44,496 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:24:44,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:24:44,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1599567124, now seen corresponding path program 1 times [2022-07-14 02:24:44,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:24:44,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968494179] [2022-07-14 02:24:44,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:24:44,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:24:44,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:24:44,502 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:24:44,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 02:24:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:47,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 2617 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:24:47,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:24:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 02:24:49,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:24:49,029 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:24:49,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968494179] [2022-07-14 02:24:49,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968494179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:24:49,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:24:49,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:24:49,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197708385] [2022-07-14 02:24:49,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:24:49,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:24:49,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:24:49,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:24:49,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:49,031 INFO L87 Difference]: Start difference. First operand 48081 states and 68625 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 02:24:51,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:54,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:24:54,724 INFO L93 Difference]: Finished difference Result 142214 states and 202936 transitions. [2022-07-14 02:24:54,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:24:54,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 252 [2022-07-14 02:24:54,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:24:55,447 INFO L225 Difference]: With dead ends: 142214 [2022-07-14 02:24:55,447 INFO L226 Difference]: Without dead ends: 94172 [2022-07-14 02:24:55,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:24:55,610 INFO L413 NwaCegarLoop]: 3459 mSDtfsCounter, 2453 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 6025 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:24:55,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 6025 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-14 02:24:55,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94172 states. [2022-07-14 02:24:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94172 to 94162. [2022-07-14 02:24:58,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94162 states, 68822 states have (on average 1.3393101043271047) internal successors, (92174), 69102 states have internal predecessors, (92174), 20932 states have call successors, (20932), 4407 states have call predecessors, (20932), 4407 states have return successors, (20932), 20684 states have call predecessors, (20932), 20932 states have call successors, (20932) [2022-07-14 02:24:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94162 states to 94162 states and 134038 transitions. [2022-07-14 02:24:59,592 INFO L78 Accepts]: Start accepts. Automaton has 94162 states and 134038 transitions. Word has length 252 [2022-07-14 02:24:59,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:24:59,593 INFO L495 AbstractCegarLoop]: Abstraction has 94162 states and 134038 transitions. [2022-07-14 02:24:59,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 02:24:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 94162 states and 134038 transitions. [2022-07-14 02:24:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-14 02:24:59,607 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:24:59,607 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 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] [2022-07-14 02:24:59,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 02:24:59,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:24:59,824 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:24:59,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:24:59,825 INFO L85 PathProgramCache]: Analyzing trace with hash 746830740, now seen corresponding path program 1 times [2022-07-14 02:24:59,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:24:59,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945314944] [2022-07-14 02:24:59,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:24:59,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:24:59,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:24:59,831 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:24:59,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 02:25:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:03,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 2935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:25:03,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:25:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 02:25:04,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:25:04,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:25:04,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945314944] [2022-07-14 02:25:04,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945314944] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:04,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:04,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:25:04,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564252277] [2022-07-14 02:25:04,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:04,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:25:04,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:25:04,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:25:04,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:04,407 INFO L87 Difference]: Start difference. First operand 94162 states and 134038 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 02:25:06,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:25:10,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:10,322 INFO L93 Difference]: Finished difference Result 191005 states and 271397 transitions. [2022-07-14 02:25:10,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:25:10,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 255 [2022-07-14 02:25:10,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:11,137 INFO L225 Difference]: With dead ends: 191005 [2022-07-14 02:25:11,137 INFO L226 Difference]: Without dead ends: 96882 [2022-07-14 02:25:11,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:11,411 INFO L413 NwaCegarLoop]: 2909 mSDtfsCounter, 1846 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 5464 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:25:11,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 5464 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-07-14 02:25:11,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96882 states. [2022-07-14 02:25:13,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96882 to 96880. [2022-07-14 02:25:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96880 states, 70796 states have (on average 1.3364879371715916) internal successors, (94618), 71078 states have internal predecessors, (94618), 21390 states have call successors, (21390), 4693 states have call predecessors, (21390), 4693 states have return successors, (21390), 21140 states have call predecessors, (21390), 21390 states have call successors, (21390) [2022-07-14 02:25:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96880 states to 96880 states and 137398 transitions. [2022-07-14 02:25:14,624 INFO L78 Accepts]: Start accepts. Automaton has 96880 states and 137398 transitions. Word has length 255 [2022-07-14 02:25:14,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:14,625 INFO L495 AbstractCegarLoop]: Abstraction has 96880 states and 137398 transitions. [2022-07-14 02:25:14,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 02:25:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 96880 states and 137398 transitions. [2022-07-14 02:25:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-14 02:25:14,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:14,634 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:25:14,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 02:25:14,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:25:14,852 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:14,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:14,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1841622413, now seen corresponding path program 1 times [2022-07-14 02:25:14,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:25:14,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165701449] [2022-07-14 02:25:14,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:14,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:25:14,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:25:14,856 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:25:14,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 02:25:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:18,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 2919 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:25:18,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:25:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 02:25:20,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:25:20,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:25:20,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165701449] [2022-07-14 02:25:20,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165701449] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:20,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:20,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:25:20,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547912566] [2022-07-14 02:25:20,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:20,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:25:20,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:25:20,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:25:20,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:20,325 INFO L87 Difference]: Start difference. First operand 96880 states and 137398 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 02:25:22,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:25:27,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:27,056 INFO L93 Difference]: Finished difference Result 286866 states and 406967 transitions. [2022-07-14 02:25:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:25:27,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 273 [2022-07-14 02:25:27,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:28,118 INFO L225 Difference]: With dead ends: 286866 [2022-07-14 02:25:28,118 INFO L226 Difference]: Without dead ends: 190025 [2022-07-14 02:25:28,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:28,716 INFO L413 NwaCegarLoop]: 4360 mSDtfsCounter, 2526 mSDsluCounter, 2607 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2526 SdHoareTripleChecker+Valid, 6967 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:25:28,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2526 Valid, 6967 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:25:28,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190025 states. [2022-07-14 02:25:33,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190025 to 189959. [2022-07-14 02:25:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189959 states, 138776 states have (on average 1.3363477834784112) internal successors, (185453), 139336 states have internal predecessors, (185453), 41956 states have call successors, (41956), 9226 states have call predecessors, (41956), 9226 states have return successors, (41956), 41460 states have call predecessors, (41956), 41956 states have call successors, (41956) [2022-07-14 02:25:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189959 states to 189959 states and 269365 transitions. [2022-07-14 02:25:35,321 INFO L78 Accepts]: Start accepts. Automaton has 189959 states and 269365 transitions. Word has length 273 [2022-07-14 02:25:35,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:35,322 INFO L495 AbstractCegarLoop]: Abstraction has 189959 states and 269365 transitions. [2022-07-14 02:25:35,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 02:25:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 189959 states and 269365 transitions. [2022-07-14 02:25:35,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-14 02:25:35,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:35,343 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 4, 4, 4, 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] [2022-07-14 02:25:35,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 02:25:35,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:25:35,564 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:35,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:35,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1447266955, now seen corresponding path program 1 times [2022-07-14 02:25:35,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:25:35,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183847468] [2022-07-14 02:25:35,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:35,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:25:35,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:25:35,570 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:25:35,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 02:25:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:39,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 3065 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:25:39,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:25:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2022-07-14 02:25:40,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:25:40,311 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:25:40,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183847468] [2022-07-14 02:25:40,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183847468] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:40,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:40,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:25:40,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747015121] [2022-07-14 02:25:40,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:40,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:25:40,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:25:40,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:25:40,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:40,313 INFO L87 Difference]: Start difference. First operand 189959 states and 269365 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 02:25:42,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []