./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 eb692b52 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-?-eb692b5 [2022-07-20 01:43:14,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:43:14,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:43:14,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:43:14,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:43:14,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:43:14,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:43:14,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:43:14,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:43:14,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:43:14,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:43:14,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:43:14,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:43:15,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:43:15,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:43:15,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:43:15,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:43:15,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:43:15,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:43:15,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:43:15,015 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:43:15,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:43:15,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:43:15,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:43:15,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:43:15,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:43:15,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:43:15,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:43:15,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:43:15,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:43:15,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:43:15,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:43:15,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:43:15,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:43:15,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:43:15,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:43:15,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:43:15,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:43:15,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:43:15,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:43:15,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:43:15,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:43:15,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:43:15,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:43:15,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:43:15,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:43:15,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:43:15,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:43:15,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:43:15,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:43:15,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:43:15,083 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:43:15,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:43:15,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:43:15,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:43:15,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:43:15,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:43:15,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:43:15,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:43:15,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:43:15,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:43:15,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:43:15,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:43:15,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:43:15,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:43:15,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:43:15,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:43:15,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:43:15,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:43:15,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:43:15,094 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:43:15,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:43:15,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:43:15,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2022-07-20 01:43:15,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:43:15,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:43:15,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:43:15,321 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:43:15,321 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:43:15,322 INFO L432 ainManager$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 [2022-07-20 01:43:15,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4117b7fa/bc1d29eb78584fffb0faf9a252c389c9/FLAGf114388bc [2022-07-20 01:43:16,135 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:43:16,136 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 [2022-07-20 01:43:16,183 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4117b7fa/bc1d29eb78584fffb0faf9a252c389c9/FLAGf114388bc [2022-07-20 01:43:16,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4117b7fa/bc1d29eb78584fffb0faf9a252c389c9 [2022-07-20 01:43:16,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:43:16,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:43:16,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:43:16,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:43:16,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:43:16,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:43:16" (1/1) ... [2022-07-20 01:43:16,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a725d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:16, skipping insertion in model container [2022-07-20 01:43:16,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:43:16" (1/1) ... [2022-07-20 01:43:16,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:43:16,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:43:18,559 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] [2022-07-20 01:43:18,562 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] [2022-07-20 01:43:18,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:43:18,611 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:43:18,889 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) [2022-07-20 01:43:18,901 INFO L158 Benchmark]: Toolchain (without parser) took 2201.97ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 83.2MB in the beginning and 77.8MB in the end (delta: 5.5MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2022-07-20 01:43:18,902 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 60.0MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:43:18,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2200.58ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 82.9MB in the beginning and 77.8MB in the end (delta: 5.1MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2022-07-20 01:43:18,906 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 88.1MB. Free memory was 60.1MB in the beginning and 60.0MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2200.58ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 82.9MB in the beginning and 77.8MB in the end (delta: 5.1MB). Peak memory consumption was 86.7MB. 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-?-eb692b5 [2022-07-20 01:43:20,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:43:20,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:43:20,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:43:20,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:43:20,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:43:20,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:43:20,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:43:20,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:43:20,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:43:20,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:43:20,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:43:20,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:43:20,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:43:20,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:43:20,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:43:20,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:43:20,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:43:20,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:43:20,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:43:20,921 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:43:20,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:43:20,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:43:20,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:43:20,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:43:20,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:43:20,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:43:20,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:43:20,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:43:20,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:43:20,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:43:20,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:43:20,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:43:20,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:43:20,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:43:20,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:43:20,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:43:20,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:43:20,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:43:20,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:43:20,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:43:20,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:43:20,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:43:20,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:43:20,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:43:20,985 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:43:20,985 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:43:20,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:43:20,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:43:20,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:43:20,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:43:20,988 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:43:20,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:43:20,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:43:20,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:43:20,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:43:20,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:43:20,989 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:43:20,990 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:43:20,990 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:43:20,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:43:20,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:43:20,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:43:20,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:43:20,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:43:20,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:43:20,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:43:20,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:43:20,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:43:20,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:43:20,992 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:43:20,992 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:43:20,993 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:43:20,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:43:20,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:43:20,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:43:20,994 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2022-07-20 01:43:21,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:43:21,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:43:21,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:43:21,386 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:43:21,387 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:43:21,389 INFO L432 ainManager$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 [2022-07-20 01:43:21,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb62ffc3e/9fe7c291c0884d39893df089f51aa4fc/FLAGfe96ba3a4 [2022-07-20 01:43:22,377 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:43:22,378 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 [2022-07-20 01:43:22,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb62ffc3e/9fe7c291c0884d39893df089f51aa4fc/FLAGfe96ba3a4 [2022-07-20 01:43:22,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb62ffc3e/9fe7c291c0884d39893df089f51aa4fc [2022-07-20 01:43:22,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:43:22,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:43:22,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:43:22,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:43:22,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:43:22,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:43:22" (1/1) ... [2022-07-20 01:43:22,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5971239a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:22, skipping insertion in model container [2022-07-20 01:43:22,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:43:22" (1/1) ... [2022-07-20 01:43:22,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:43:23,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:43:25,738 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] [2022-07-20 01:43:25,741 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] [2022-07-20 01:43:25,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:43:25,808 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:43:25,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:43:26,152 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] [2022-07-20 01:43:26,154 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] [2022-07-20 01:43:26,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:43:26,214 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:43:26,658 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] [2022-07-20 01:43:26,659 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] [2022-07-20 01:43:26,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:43:26,828 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:43:26,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26 WrapperNode [2022-07-20 01:43:26,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:43:26,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:43:26,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:43:26,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:43:26,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (1/1) ... [2022-07-20 01:43:26,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (1/1) ... [2022-07-20 01:43:27,119 INFO L137 Inliner]: procedures = 333, calls = 1881, calls flagged for inlining = 162, calls inlined = 153, statements flattened = 4200 [2022-07-20 01:43:27,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:43:27,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:43:27,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:43:27,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:43:27,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (1/1) ... [2022-07-20 01:43:27,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (1/1) ... [2022-07-20 01:43:27,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (1/1) ... [2022-07-20 01:43:27,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (1/1) ... [2022-07-20 01:43:27,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (1/1) ... [2022-07-20 01:43:27,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (1/1) ... [2022-07-20 01:43:27,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (1/1) ... [2022-07-20 01:43:27,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:43:27,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:43:27,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:43:27,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:43:27,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (1/1) ... [2022-07-20 01:43:27,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:43:27,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:43:27,464 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) [2022-07-20 01:43:27,479 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 [2022-07-20 01:43:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_dump [2022-07-20 01:43:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_dump [2022-07-20 01:43:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:43:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init_controls [2022-07-20 01:43:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init_controls [2022-07-20 01:43:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init_controls [2022-07-20 01:43:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init_controls [2022-07-20 01:43:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:43:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:43:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init [2022-07-20 01:43:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init [2022-07-20 01:43:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:43:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:43:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:43:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:43:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_bytes [2022-07-20 01:43:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_bytes [2022-07-20 01:43:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:43:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:43:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-07-20 01:43:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-07-20 01:43:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2022-07-20 01:43:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2022-07-20 01:43:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:43:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:43:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_stop [2022-07-20 01:43:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_stop [2022-07-20 01:43:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1020 [2022-07-20 01:43:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1020 [2022-07-20 01:43:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:43:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:43:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2022-07-20 01:43:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2022-07-20 01:43:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_start [2022-07-20 01:43:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_start [2022-07-20 01:43:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init [2022-07-20 01:43:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init [2022-07-20 01:43:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:43:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-07-20 01:43:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-07-20 01:43:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor [2022-07-20 01:43:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor [2022-07-20 01:43:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:43:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1x00 [2022-07-20 01:43:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1x00 [2022-07-20 01:43:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 01:43:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 01:43:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_s_ctrl [2022-07-20 01:43:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_s_ctrl [2022-07-20 01:43:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-20 01:43:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-20 01:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-20 01:43:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-20 01:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:43:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_s_ctrl [2022-07-20 01:43:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_s_ctrl [2022-07-20 01:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_init [2022-07-20 01:43:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_init [2022-07-20 01:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 01:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init_controls [2022-07-20 01:43:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init_controls [2022-07-20 01:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 01:43:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 01:43:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init_controls [2022-07-20 01:43:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init_controls [2022-07-20 01:43:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_set_state [2022-07-20 01:43:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_set_state [2022-07-20 01:43:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 01:43:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 01:43:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_start [2022-07-20 01:43:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_start [2022-07-20 01:43:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-07-20 01:43:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-07-20 01:43:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 01:43:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 01:43:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_bridge [2022-07-20 01:43:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_bridge [2022-07-20 01:43:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_stop [2022-07-20 01:43:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_stop [2022-07-20 01:43:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 01:43:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 01:43:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_nego [2022-07-20 01:43:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_nego [2022-07-20 01:43:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 01:43:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 01:43:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init [2022-07-20 01:43:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init [2022-07-20 01:43:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_probe [2022-07-20 01:43:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_probe [2022-07-20 01:43:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init [2022-07-20 01:43:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init [2022-07-20 01:43:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 01:43:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 01:43:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 01:43:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 01:43:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 01:43:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 01:43:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:43:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:43:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:43:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:43:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_start [2022-07-20 01:43:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_start [2022-07-20 01:43:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_reg_write_seq [2022-07-20 01:43:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_reg_write_seq [2022-07-20 01:43:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-07-20 01:43:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-07-20 01:43:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_10_4 [2022-07-20 01:43:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_10_4 [2022-07-20 01:43:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 01:43:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 01:43:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_start [2022-07-20 01:43:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_start [2022-07-20 01:43:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:43:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:43:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_s_ctrl [2022-07-20 01:43:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_s_ctrl [2022-07-20 01:43:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:43:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2022-07-20 01:43:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2022-07-20 01:43:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 01:43:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 01:43:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 01:43:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 01:43:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init [2022-07-20 01:43:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init [2022-07-20 01:43:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_sensor [2022-07-20 01:43:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_sensor [2022-07-20 01:43:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_probe [2022-07-20 01:43:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_probe [2022-07-20 01:43:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:43:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 01:43:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 01:43:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_stop [2022-07-20 01:43:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_stop [2022-07-20 01:43:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:43:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_stop [2022-07-20 01:43:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_stop [2022-07-20 01:43:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_probe [2022-07-20 01:43:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_probe [2022-07-20 01:43:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_stopN [2022-07-20 01:43:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_stopN [2022-07-20 01:43:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_finish [2022-07-20 01:43:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_finish [2022-07-20 01:43:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_dump [2022-07-20 01:43:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_dump [2022-07-20 01:43:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_dump [2022-07-20 01:43:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_dump [2022-07-20 01:43:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2022-07-20 01:43:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2022-07-20 01:43:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-20 01:43:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-20 01:43:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:43:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:43:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 01:43:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 01:43:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_s_ctrl [2022-07-20 01:43:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_s_ctrl [2022-07-20 01:43:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init_controls [2022-07-20 01:43:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init_controls [2022-07-20 01:43:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 01:43:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 01:43:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_bridge [2022-07-20 01:43:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_bridge [2022-07-20 01:43:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2022-07-20 01:43:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2022-07-20 01:43:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 01:43:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 01:43:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure sd_disconnect [2022-07-20 01:43:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_disconnect [2022-07-20 01:43:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:43:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:43:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_start [2022-07-20 01:43:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_start [2022-07-20 01:43:28,213 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:43:28,217 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:43:35,470 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:45:05,324 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 01:45:06,323 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:45:06,339 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:45:06,340 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:45:06,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:45:06 BoogieIcfgContainer [2022-07-20 01:45:06,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:45:06,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:45:06,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:45:06,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:45:06,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:43:22" (1/3) ... [2022-07-20 01:45:06,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322b1eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:45:06, skipping insertion in model container [2022-07-20 01:45:06,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:26" (2/3) ... [2022-07-20 01:45:06,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322b1eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:45:06, skipping insertion in model container [2022-07-20 01:45:06,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:45:06" (3/3) ... [2022-07-20 01:45:06,352 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-20 01:45:06,365 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:45:06,365 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:45:06,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:45:06,465 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@4feab575, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@26165ef9 [2022-07-20 01:45:06,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:45:06,478 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) [2022-07-20 01:45:06,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-20 01:45:06,521 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:45:06,522 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] [2022-07-20 01:45:06,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:45:06,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:45:06,527 INFO L85 PathProgramCache]: Analyzing trace with hash -138110126, now seen corresponding path program 1 times [2022-07-20 01:45:06,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:45:06,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279093278] [2022-07-20 01:45:06,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:45:06,546 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:45:06,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:45:06,551 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) [2022-07-20 01:45:06,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:45:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:45:10,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 2841 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:45:10,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:45:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:45:11,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:45:11,261 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:45:11,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279093278] [2022-07-20 01:45:11,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279093278] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:45:11,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:45:11,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:45:11,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706004039] [2022-07-20 01:45:11,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:45:11,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:45:11,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:45:11,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:45:11,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:45:11,298 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) [2022-07-20 01:45:13,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:45:15,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:45:15,242 INFO L93 Difference]: Finished difference Result 5437 states and 7898 transitions. [2022-07-20 01:45:15,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:45:15,245 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 [2022-07-20 01:45:15,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:45:15,294 INFO L225 Difference]: With dead ends: 5437 [2022-07-20 01:45:15,295 INFO L226 Difference]: Without dead ends: 3540 [2022-07-20 01:45:15,315 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 [2022-07-20 01:45:15,326 INFO L413 NwaCegarLoop]: 3096 mSDtfsCounter, 2510 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 3.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:45:15,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2510 Valid, 5723 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-20 01:45:15,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2022-07-20 01:45:15,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3532. [2022-07-20 01:45:15,572 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) [2022-07-20 01:45:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 5080 transitions. [2022-07-20 01:45:15,604 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 5080 transitions. Word has length 228 [2022-07-20 01:45:15,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:45:15,607 INFO L495 AbstractCegarLoop]: Abstraction has 3532 states and 5080 transitions. [2022-07-20 01:45:15,608 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) [2022-07-20 01:45:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 5080 transitions. [2022-07-20 01:45:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-07-20 01:45:15,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:45:15,620 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] [2022-07-20 01:45:15,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 01:45:15,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:45:15,840 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:45:15,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:45:15,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1107835187, now seen corresponding path program 1 times [2022-07-20 01:45:15,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:45:15,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000353817] [2022-07-20 01:45:15,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:45:15,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:45:15,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:45:15,847 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) [2022-07-20 01:45:15,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:45:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:45:19,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:45:19,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:45:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:45:20,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:45:20,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:45:20,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000353817] [2022-07-20 01:45:20,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000353817] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:45:20,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:45:20,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:45:20,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051458343] [2022-07-20 01:45:20,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:45:20,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:45:20,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:45:20,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:45:20,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:45:20,219 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) [2022-07-20 01:45:22,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:45:23,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:45:23,688 INFO L93 Difference]: Finished difference Result 10116 states and 14530 transitions. [2022-07-20 01:45:23,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:45:23,689 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 [2022-07-20 01:45:23,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:45:23,753 INFO L225 Difference]: With dead ends: 10116 [2022-07-20 01:45:23,754 INFO L226 Difference]: Without dead ends: 6623 [2022-07-20 01:45:23,781 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 [2022-07-20 01:45:23,782 INFO L413 NwaCegarLoop]: 3139 mSDtfsCounter, 2248 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:45:23,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 5714 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-20 01:45:23,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2022-07-20 01:45:24,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 6617. [2022-07-20 01:45:24,032 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) [2022-07-20 01:45:24,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6617 states to 6617 states and 9491 transitions. [2022-07-20 01:45:24,081 INFO L78 Accepts]: Start accepts. Automaton has 6617 states and 9491 transitions. Word has length 233 [2022-07-20 01:45:24,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:45:24,083 INFO L495 AbstractCegarLoop]: Abstraction has 6617 states and 9491 transitions. [2022-07-20 01:45:24,083 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) [2022-07-20 01:45:24,083 INFO L276 IsEmpty]: Start isEmpty. Operand 6617 states and 9491 transitions. [2022-07-20 01:45:24,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-20 01:45:24,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:45:24,092 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] [2022-07-20 01:45:24,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:45:24,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:45:24,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:45:24,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:45:24,308 INFO L85 PathProgramCache]: Analyzing trace with hash -65098912, now seen corresponding path program 1 times [2022-07-20 01:45:24,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:45:24,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849866436] [2022-07-20 01:45:24,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:45:24,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:45:24,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:45:24,318 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) [2022-07-20 01:45:24,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:45:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:45:28,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:45:28,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:45:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:45:28,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:45:28,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:45:28,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849866436] [2022-07-20 01:45:28,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849866436] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:45:28,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:45:28,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:45:28,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753878801] [2022-07-20 01:45:28,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:45:28,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:45:28,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:45:28,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:45:28,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:45:28,918 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) [2022-07-20 01:45:31,103 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 [] [2022-07-20 01:45:33,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:45:33,506 INFO L93 Difference]: Finished difference Result 19553 states and 28041 transitions. [2022-07-20 01:45:33,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:45:33,507 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 [2022-07-20 01:45:33,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:45:33,625 INFO L225 Difference]: With dead ends: 19553 [2022-07-20 01:45:33,625 INFO L226 Difference]: Without dead ends: 12975 [2022-07-20 01:45:33,683 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 [2022-07-20 01:45:33,684 INFO L413 NwaCegarLoop]: 3092 mSDtfsCounter, 2455 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:45:33,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2455 Valid, 5661 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-07-20 01:45:33,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12975 states. [2022-07-20 01:45:34,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12975 to 12957. [2022-07-20 01:45:34,199 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) [2022-07-20 01:45:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12957 states to 12957 states and 18549 transitions. [2022-07-20 01:45:34,279 INFO L78 Accepts]: Start accepts. Automaton has 12957 states and 18549 transitions. Word has length 234 [2022-07-20 01:45:34,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:45:34,280 INFO L495 AbstractCegarLoop]: Abstraction has 12957 states and 18549 transitions. [2022-07-20 01:45:34,281 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) [2022-07-20 01:45:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 12957 states and 18549 transitions. [2022-07-20 01:45:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-20 01:45:34,295 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:45:34,295 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] [2022-07-20 01:45:34,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:45:34,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:45:34,512 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:45:34,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:45:34,512 INFO L85 PathProgramCache]: Analyzing trace with hash -283864148, now seen corresponding path program 1 times [2022-07-20 01:45:34,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:45:34,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704372609] [2022-07-20 01:45:34,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:45:34,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:45:34,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:45:34,521 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) [2022-07-20 01:45:34,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:45:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:45:38,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:45:38,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:45:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:45:39,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:45:39,709 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:45:39,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704372609] [2022-07-20 01:45:39,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704372609] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:45:39,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:45:39,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:45:39,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328929141] [2022-07-20 01:45:39,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:45:39,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:45:39,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:45:39,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:45:39,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:45:39,711 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) [2022-07-20 01:45:41,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:45:43,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:45:43,606 INFO L93 Difference]: Finished difference Result 37445 states and 53664 transitions. [2022-07-20 01:45:43,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:45:43,607 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 [2022-07-20 01:45:43,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:45:43,807 INFO L225 Difference]: With dead ends: 37445 [2022-07-20 01:45:43,808 INFO L226 Difference]: Without dead ends: 24527 [2022-07-20 01:45:43,909 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 [2022-07-20 01:45:43,911 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 2402 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:45:43,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 5594 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 01:45:43,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24527 states. [2022-07-20 01:45:44,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24527 to 24509. [2022-07-20 01:45:44,933 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) [2022-07-20 01:45:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24509 states to 24509 states and 35066 transitions. [2022-07-20 01:45:45,074 INFO L78 Accepts]: Start accepts. Automaton has 24509 states and 35066 transitions. Word has length 243 [2022-07-20 01:45:45,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:45:45,076 INFO L495 AbstractCegarLoop]: Abstraction has 24509 states and 35066 transitions. [2022-07-20 01:45:45,076 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) [2022-07-20 01:45:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 24509 states and 35066 transitions. [2022-07-20 01:45:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-20 01:45:45,089 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:45:45,089 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] [2022-07-20 01:45:45,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 01:45:45,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:45:45,312 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:45:45,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:45:45,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1336664887, now seen corresponding path program 1 times [2022-07-20 01:45:45,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:45:45,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609244236] [2022-07-20 01:45:45,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:45:45,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:45:45,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:45:45,316 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) [2022-07-20 01:45:45,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:45:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:45:48,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 2620 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:45:48,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:45:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:45:49,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:45:49,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:45:49,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609244236] [2022-07-20 01:45:49,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609244236] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:45:49,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:45:49,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:45:49,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540189451] [2022-07-20 01:45:49,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:45:49,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:45:49,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:45:49,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:45:49,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:45:49,911 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) [2022-07-20 01:45:52,093 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 [] [2022-07-20 01:45:54,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:45:54,535 INFO L93 Difference]: Finished difference Result 72569 states and 103812 transitions. [2022-07-20 01:45:54,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:45:54,536 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 [2022-07-20 01:45:54,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:45:54,921 INFO L225 Difference]: With dead ends: 72569 [2022-07-20 01:45:54,922 INFO L226 Difference]: Without dead ends: 48099 [2022-07-20 01:45:55,067 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 [2022-07-20 01:45:55,068 INFO L413 NwaCegarLoop]: 3264 mSDtfsCounter, 2453 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:45:55,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 5831 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 01:45:55,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48099 states. [2022-07-20 01:45:56,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48099 to 48081. [2022-07-20 01:45:56,875 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) [2022-07-20 01:45:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48081 states to 48081 states and 68625 transitions. [2022-07-20 01:45:57,160 INFO L78 Accepts]: Start accepts. Automaton has 48081 states and 68625 transitions. Word has length 253 [2022-07-20 01:45:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:45:57,161 INFO L495 AbstractCegarLoop]: Abstraction has 48081 states and 68625 transitions. [2022-07-20 01:45:57,161 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) [2022-07-20 01:45:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 48081 states and 68625 transitions. [2022-07-20 01:45:57,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-20 01:45:57,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:45:57,174 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] [2022-07-20 01:45:57,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 01:45:57,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:45:57,395 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:45:57,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:45:57,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1599567124, now seen corresponding path program 1 times [2022-07-20 01:45:57,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:45:57,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348222493] [2022-07-20 01:45:57,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:45:57,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:45:57,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:45:57,402 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) [2022-07-20 01:45:57,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:46:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:46:01,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 2617 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:46:01,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:46:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:46:02,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:46:02,135 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:46:02,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348222493] [2022-07-20 01:46:02,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348222493] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:46:02,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:46:02,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:46:02,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761882730] [2022-07-20 01:46:02,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:46:02,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:46:02,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:46:02,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:46:02,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:02,138 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) [2022-07-20 01:46:04,318 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 [] [2022-07-20 01:46:07,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:46:07,692 INFO L93 Difference]: Finished difference Result 142214 states and 202936 transitions. [2022-07-20 01:46:07,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:46:07,693 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 [2022-07-20 01:46:07,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:46:08,543 INFO L225 Difference]: With dead ends: 142214 [2022-07-20 01:46:08,544 INFO L226 Difference]: Without dead ends: 94172 [2022-07-20 01:46:08,807 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 [2022-07-20 01:46:08,807 INFO L413 NwaCegarLoop]: 3459 mSDtfsCounter, 2453 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:46:08,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 6025 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-07-20 01:46:08,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94172 states. [2022-07-20 01:46:12,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94172 to 94162. [2022-07-20 01:46:12,129 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) [2022-07-20 01:46:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94162 states to 94162 states and 134038 transitions. [2022-07-20 01:46:13,000 INFO L78 Accepts]: Start accepts. Automaton has 94162 states and 134038 transitions. Word has length 252 [2022-07-20 01:46:13,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:46:13,001 INFO L495 AbstractCegarLoop]: Abstraction has 94162 states and 134038 transitions. [2022-07-20 01:46:13,001 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) [2022-07-20 01:46:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 94162 states and 134038 transitions. [2022-07-20 01:46:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-20 01:46:13,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:46:13,018 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] [2022-07-20 01:46:13,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 01:46:13,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:46:13,239 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:46:13,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:46:13,240 INFO L85 PathProgramCache]: Analyzing trace with hash 746830740, now seen corresponding path program 1 times [2022-07-20 01:46:13,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:46:13,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134712243] [2022-07-20 01:46:13,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:46:13,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:46:13,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:46:13,245 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) [2022-07-20 01:46:13,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:46:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:46:17,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 2935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:46:17,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:46:18,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:46:18,027 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:46:18,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:46:18,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134712243] [2022-07-20 01:46:18,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134712243] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:46:18,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:46:18,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:46:18,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118524535] [2022-07-20 01:46:18,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:46:18,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:46:18,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:46:18,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:46:18,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:18,030 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) [2022-07-20 01:46:20,395 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 [] [2022-07-20 01:46:23,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:46:23,868 INFO L93 Difference]: Finished difference Result 191005 states and 271397 transitions. [2022-07-20 01:46:23,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:46:23,868 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 [2022-07-20 01:46:23,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:46:24,824 INFO L225 Difference]: With dead ends: 191005 [2022-07-20 01:46:24,824 INFO L226 Difference]: Without dead ends: 96882 [2022-07-20 01:46:25,213 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 [2022-07-20 01:46:25,214 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 [2022-07-20 01:46:25,214 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] [2022-07-20 01:46:25,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96882 states. [2022-07-20 01:46:28,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96882 to 96880. [2022-07-20 01:46:28,158 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) [2022-07-20 01:46:29,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96880 states to 96880 states and 137398 transitions. [2022-07-20 01:46:29,138 INFO L78 Accepts]: Start accepts. Automaton has 96880 states and 137398 transitions. Word has length 255 [2022-07-20 01:46:29,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:46:29,138 INFO L495 AbstractCegarLoop]: Abstraction has 96880 states and 137398 transitions. [2022-07-20 01:46:29,139 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) [2022-07-20 01:46:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 96880 states and 137398 transitions. [2022-07-20 01:46:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-20 01:46:29,149 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:46:29,149 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] [2022-07-20 01:46:29,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 01:46:29,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:46:29,364 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:46:29,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:46:29,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1841622413, now seen corresponding path program 1 times [2022-07-20 01:46:29,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:46:29,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494508104] [2022-07-20 01:46:29,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:46:29,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:46:29,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:46:29,369 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) [2022-07-20 01:46:29,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 01:46:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:46:33,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 2919 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:46:33,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:46:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:46:34,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:46:34,436 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:46:34,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494508104] [2022-07-20 01:46:34,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494508104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:46:34,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:46:34,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:46:34,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288597543] [2022-07-20 01:46:34,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:46:34,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:46:34,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:46:34,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:46:34,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:34,439 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) [2022-07-20 01:46:36,748 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 [] [2022-07-20 01:46:41,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:46:41,536 INFO L93 Difference]: Finished difference Result 286866 states and 406967 transitions. [2022-07-20 01:46:41,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:46:41,537 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 [2022-07-20 01:46:41,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:46:42,809 INFO L225 Difference]: With dead ends: 286866 [2022-07-20 01:46:42,809 INFO L226 Difference]: Without dead ends: 190025 [2022-07-20 01:46:43,503 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 [2022-07-20 01:46:43,504 INFO L413 NwaCegarLoop]: 4360 mSDtfsCounter, 2526 mSDsluCounter, 2607 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:46:43,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2526 Valid, 6967 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-07-20 01:46:43,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190025 states. [2022-07-20 01:46:48,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190025 to 189959. [2022-07-20 01:46:48,993 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) [2022-07-20 01:46:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189959 states to 189959 states and 269365 transitions. [2022-07-20 01:46:50,142 INFO L78 Accepts]: Start accepts. Automaton has 189959 states and 269365 transitions. Word has length 273 [2022-07-20 01:46:50,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:46:50,147 INFO L495 AbstractCegarLoop]: Abstraction has 189959 states and 269365 transitions. [2022-07-20 01:46:50,148 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) [2022-07-20 01:46:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 189959 states and 269365 transitions. [2022-07-20 01:46:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-20 01:46:50,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:46:50,171 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] [2022-07-20 01:46:50,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 01:46:50,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:46:50,392 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:46:50,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:46:50,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1447266955, now seen corresponding path program 1 times [2022-07-20 01:46:50,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:46:50,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846626672] [2022-07-20 01:46:50,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:46:50,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:46:50,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:46:50,396 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) [2022-07-20 01:46:50,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 01:46:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:46:54,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 3065 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:46:54,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:46:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2022-07-20 01:46:55,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:46:55,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:46:55,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846626672] [2022-07-20 01:46:55,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846626672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:46:55,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:46:55,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:46:55,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30161046] [2022-07-20 01:46:55,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:46:55,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:46:55,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:46:55,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:46:55,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:55,828 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) [2022-07-20 01:46:58,135 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 []