./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.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 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:56:33,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:56:33,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:56:33,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:56:33,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:56:33,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:56:33,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:56:33,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:56:33,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:56:33,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:56:33,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:56:33,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:56:33,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:56:33,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:56:33,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:56:33,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:56:33,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:56:33,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:56:33,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:56:33,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:56:33,784 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:56:33,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:56:33,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:56:33,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:56:33,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:56:33,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:56:33,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:56:33,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:56:33,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:56:33,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:56:33,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:56:33,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:56:33,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:56:33,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:56:33,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:56:33,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:56:33,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:56:33,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:56:33,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:56:33,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:56:33,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:56:33,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:56:33,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:56:33,825 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:56:33,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:56:33,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:56:33,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:56:33,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:56:33,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:56:33,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:56:33,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:56:33,827 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:56:33,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:56:33,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:56:33,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:56:33,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:56:33,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:56:33,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:56:33,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:56:33,829 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:56:33,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:56:33,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:56:33,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:56:33,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:56:33,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:56:33,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:56:33,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:56:33,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:56:33,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:56:33,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:56:33,831 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:56:33,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:56:33,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:56:33,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2022-07-13 23:56:34,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:56:34,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:56:34,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:56:34,031 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:56:34,032 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:56:34,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-13 23:56:34,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d9c4d9c/e4052e3cb38f480385dd2749019b86cf/FLAGcbb8dcbaa [2022-07-13 23:56:34,751 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:56:34,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-13 23:56:34,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d9c4d9c/e4052e3cb38f480385dd2749019b86cf/FLAGcbb8dcbaa [2022-07-13 23:56:35,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d9c4d9c/e4052e3cb38f480385dd2749019b86cf [2022-07-13 23:56:35,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:56:35,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:56:35,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:56:35,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:56:35,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:56:35,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:56:35" (1/1) ... [2022-07-13 23:56:35,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a32ad2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:35, skipping insertion in model container [2022-07-13 23:56:35,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:56:35" (1/1) ... [2022-07-13 23:56:35,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:56:35,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:56:38,386 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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-13 23:56:38,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:56:38,730 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:56:39,265 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) 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: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) [2022-07-13 23:56:39,274 INFO L158 Benchmark]: Toolchain (without parser) took 4161.90ms. Allocated memory was 138.4MB in the beginning and 276.8MB in the end (delta: 138.4MB). Free memory was 84.2MB in the beginning and 109.8MB in the end (delta: -25.7MB). Peak memory consumption was 135.8MB. Max. memory is 16.1GB. [2022-07-13 23:56:39,275 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:56:39,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4159.03ms. Allocated memory was 138.4MB in the beginning and 276.8MB in the end (delta: 138.4MB). Free memory was 83.8MB in the beginning and 109.8MB in the end (delta: -26.0MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. [2022-07-13 23:56:39,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4159.03ms. Allocated memory was 138.4MB in the beginning and 276.8MB in the end (delta: 138.4MB). Free memory was 83.8MB in the beginning and 109.8MB in the end (delta: -26.0MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) 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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.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 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:56:40,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:56:40,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:56:40,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:56:40,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:56:40,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:56:40,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:56:40,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:56:40,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:56:40,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:56:40,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:56:40,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:56:40,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:56:40,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:56:40,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:56:40,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:56:40,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:56:40,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:56:40,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:56:40,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:56:40,882 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:56:40,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:56:40,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:56:40,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:56:40,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:56:40,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:56:40,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:56:40,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:56:40,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:56:40,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:56:40,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:56:40,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:56:40,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:56:40,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:56:40,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:56:40,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:56:40,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:56:40,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:56:40,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:56:40,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:56:40,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:56:40,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:56:40,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-13 23:56:40,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:56:40,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:56:40,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:56:40,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:56:40,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:56:40,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:56:40,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:56:40,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:56:40,938 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:56:40,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:56:40,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:56:40,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:56:40,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:56:40,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:56:40,939 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 23:56:40,939 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 23:56:40,939 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 23:56:40,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:56:40,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:56:40,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:56:40,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:56:40,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:56:40,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:56:40,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:56:40,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:56:40,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:56:40,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:56:40,941 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 23:56:40,941 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 23:56:40,941 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:56:40,941 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:56:40,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:56:40,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 23:56:40,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2022-07-13 23:56:41,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:56:41,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:56:41,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:56:41,243 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:56:41,244 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:56:41,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-13 23:56:41,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4bf64688/83b7fde464144f4e8956a79eb7962a7b/FLAG2653e970a [2022-07-13 23:56:41,996 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:56:41,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-13 23:56:42,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4bf64688/83b7fde464144f4e8956a79eb7962a7b/FLAG2653e970a [2022-07-13 23:56:42,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4bf64688/83b7fde464144f4e8956a79eb7962a7b [2022-07-13 23:56:42,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:56:42,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:56:42,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:56:42,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:56:42,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:56:42,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:56:42" (1/1) ... [2022-07-13 23:56:42,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e8a384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:42, skipping insertion in model container [2022-07-13 23:56:42,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:56:42" (1/1) ... [2022-07-13 23:56:42,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:56:42,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:56:45,911 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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-13 23:56:46,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:56:46,272 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-13 23:56:46,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:56:46,736 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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-13 23:56:46,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:56:46,866 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:56:47,355 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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-13 23:56:47,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:56:47,550 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:56:47,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47 WrapperNode [2022-07-13 23:56:47,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:56:47,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:56:47,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:56:47,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:56:47,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (1/1) ... [2022-07-13 23:56:47,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (1/1) ... [2022-07-13 23:56:48,138 INFO L137 Inliner]: procedures = 472, calls = 15316, calls flagged for inlining = 155, calls inlined = 77, statements flattened = 12736 [2022-07-13 23:56:48,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:56:48,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:56:48,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:56:48,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:56:48,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (1/1) ... [2022-07-13 23:56:48,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (1/1) ... [2022-07-13 23:56:48,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (1/1) ... [2022-07-13 23:56:48,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (1/1) ... [2022-07-13 23:56:48,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (1/1) ... [2022-07-13 23:56:48,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (1/1) ... [2022-07-13 23:56:48,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (1/1) ... [2022-07-13 23:56:48,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:56:48,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:56:48,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:56:48,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:56:48,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (1/1) ... [2022-07-13 23:56:48,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:56:48,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:56:48,523 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) [2022-07-13 23:56:48,561 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 [2022-07-13 23:56:48,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-13 23:56:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-13 23:56:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs [2022-07-13 23:56:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs [2022-07-13 23:56:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_area_set [2022-07-13 23:56:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_area_set [2022-07-13 23:56:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_alloc_urbs [2022-07-13 23:56:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_alloc_urbs [2022-07-13 23:56:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-13 23:56:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-13 23:56:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2022-07-13 23:56:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:56:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:56:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_streaming [2022-07-13 23:56:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_streaming [2022-07-13 23:56:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-07-13 23:56:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-07-13 23:56:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2022-07-13 23:56:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2022-07-13 23:56:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-13 23:56:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-13 23:56:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-13 23:56:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-13 23:56:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2022-07-13 23:56:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2022-07-13 23:56:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-13 23:56:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-13 23:56:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_ac97 [2022-07-13 23:56:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_ac97 [2022-07-13 23:56:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_em28xx [2022-07-13 23:56:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_em28xx [2022-07-13 23:56:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-13 23:56:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-13 23:56:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-13 23:56:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-13 23:56:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-13 23:56:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-13 23:56:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2022-07-13 23:56:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2022-07-13 23:56:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-13 23:56:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-13 23:56:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2022-07-13 23:56:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2022-07-13 23:56:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-13 23:56:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-13 23:56:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:56:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_vbi_supported [2022-07-13 23:56:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_vbi_supported [2022-07-13 23:56:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-13 23:56:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 23:56:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 23:56:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-13 23:56:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-13 23:56:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-13 23:56:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-13 23:56:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-13 23:56:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_copy_video [2022-07-13 23:56:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_copy_video [2022-07-13 23:56:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_gpio_set [2022-07-13 23:56:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_gpio_set [2022-07-13 23:56:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_ident [2022-07-13 23:56:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_ident [2022-07-13 23:56:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-13 23:56:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-13 23:56:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-07-13 23:56:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-07-13 23:56:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req [2022-07-13 23:56:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req [2022-07-13 23:56:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2022-07-13 23:56:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2022-07-13 23:56:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-13 23:56:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-13 23:56:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-13 23:56:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-13 23:56:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2022-07-13 23:56:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2022-07-13 23:56:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-13 23:56:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-13 23:56:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_unregister [2022-07-13 23:56:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_unregister [2022-07-13 23:56:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:56:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:56:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-13 23:56:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-13 23:56:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2022-07-13 23:56:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2022-07-13 23:56:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-13 23:56:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-13 23:56:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-07-13 23:56:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-07-13 23:56:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2022-07-13 23:56:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2022-07-13 23:56:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-07-13 23:56:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-13 23:56:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-13 23:56:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2022-07-13 23:56:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2022-07-13 23:56:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:56:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2022-07-13 23:56:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2022-07-13 23:56:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:56:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:56:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:56:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-13 23:56:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-13 23:56:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-13 23:56:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_audio_analog_set [2022-07-13 23:56:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_audio_analog_set [2022-07-13 23:56:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-13 23:56:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-13 23:56:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_prepare [2022-07-13 23:56:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_prepare [2022-07-13 23:56:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2022-07-13 23:56:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2022-07-13 23:56:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg [2022-07-13 23:56:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg [2022-07-13 23:56:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_reg_len [2022-07-13 23:56:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_reg_len [2022-07-13 23:56:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-13 23:56:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-13 23:56:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-07-13 23:56:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-13 23:56:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure get_ressource [2022-07-13 23:56:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ressource [2022-07-13 23:56:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~C_INT [2022-07-13 23:56:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~C_INT [2022-07-13 23:56:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-13 23:56:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-13 23:56:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_outfmt [2022-07-13 23:56:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_outfmt [2022-07-13 23:56:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:56:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:56:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-13 23:56:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-13 23:56:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-13 23:56:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-13 23:56:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-13 23:56:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_set_plane_payload [2022-07-13 23:56:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_set_plane_payload [2022-07-13 23:56:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-13 23:56:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 23:56:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-07-13 23:56:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-07-13 23:56:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:56:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-13 23:56:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:56:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-13 23:56:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-13 23:56:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_close [2022-07-13 23:56:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_close [2022-07-13 23:56:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req_len [2022-07-13 23:56:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req_len [2022-07-13 23:56:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-13 23:56:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-13 23:56:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg_bits [2022-07-13 23:56:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg_bits [2022-07-13 23:56:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:56:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:56:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:56:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:56:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_s_ctrl [2022-07-13 23:56:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_s_ctrl [2022-07-13 23:56:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 23:56:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 23:56:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2022-07-13 23:56:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2022-07-13 23:56:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_prepare [2022-07-13 23:56:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_prepare [2022-07-13 23:56:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_release_resources [2022-07-13 23:56:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_release_resources [2022-07-13 23:56:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-13 23:56:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-13 23:56:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-07-13 23:56:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-07-13 23:56:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_em28xx [2022-07-13 23:56:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_em28xx [2022-07-13 23:56:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs_req [2022-07-13 23:56:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs_req [2022-07-13 23:56:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:56:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-13 23:56:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-13 23:56:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:56:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_info [2022-07-13 23:56:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_info [2022-07-13 23:56:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_video_format [2022-07-13 23:56:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_video_format [2022-07-13 23:56:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-13 23:56:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-13 23:56:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-13 23:56:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 23:56:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:56:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2022-07-13 23:56:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2022-07-13 23:56:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-07-13 23:56:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-07-13 23:56:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-13 23:56:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-13 23:56:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-13 23:56:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-13 23:56:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_resolution_set [2022-07-13 23:56:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_resolution_set [2022-07-13 23:56:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-13 23:56:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-13 23:56:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_is_ac97_ready [2022-07-13 23:56:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_is_ac97_ready [2022-07-13 23:56:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~C_INT~TO~C_INT [2022-07-13 23:56:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~C_INT~TO~C_INT [2022-07-13 23:56:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-13 23:56:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-13 23:56:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-07-13 23:56:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-07-13 23:56:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_open [2022-07-13 23:56:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_open [2022-07-13 23:56:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-13 23:56:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-13 23:56:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-13 23:56:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-13 23:56:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-13 23:56:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-13 23:56:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:56:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:56:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-13 23:56:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-13 23:56:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-13 23:56:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-13 23:56:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:56:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:56:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_uninit_usb_xfer [2022-07-13 23:56:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_uninit_usb_xfer [2022-07-13 23:56:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure finish_field_prepare_next [2022-07-13 23:56:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_field_prepare_next [2022-07-13 23:56:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_ac97 [2022-07-13 23:56:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_ac97 [2022-07-13 23:56:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_wake_i2c [2022-07-13 23:56:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_wake_i2c [2022-07-13 23:56:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure size_to_scale [2022-07-13 23:56:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure size_to_scale [2022-07-13 23:56:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-13 23:56:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-13 23:56:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2022-07-13 23:56:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2022-07-13 23:56:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure scale_to_size [2022-07-13 23:56:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure scale_to_size [2022-07-13 23:56:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2022-07-13 23:56:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2022-07-13 23:56:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2022-07-13 23:56:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2022-07-13 23:56:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2022-07-13 23:56:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2022-07-13 23:56:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_vaddr [2022-07-13 23:56:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_vaddr [2022-07-13 23:56:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-13 23:56:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-13 23:56:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_start [2022-07-13 23:56:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_start [2022-07-13 23:56:49,492 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:56:49,494 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:58:20,959 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:58:20,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:58:20,988 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 23:58:20,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:58:20 BoogieIcfgContainer [2022-07-13 23:58:20,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:58:20,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:58:20,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:58:20,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:58:20,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:56:42" (1/3) ... [2022-07-13 23:58:20,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6085d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:58:20, skipping insertion in model container [2022-07-13 23:58:20,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:47" (2/3) ... [2022-07-13 23:58:20,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6085d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:58:20, skipping insertion in model container [2022-07-13 23:58:20,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:58:20" (3/3) ... [2022-07-13 23:58:20,999 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-13 23:58:21,010 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:58:21,011 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:58:21,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:58:21,086 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@1b36f9ed, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@77b1b32 [2022-07-13 23:58:21,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:58:21,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 1894 states, 1389 states have (on average 1.3916486681065514) internal successors, (1933), 1414 states have internal predecessors, (1933), 393 states have call successors, (393), 110 states have call predecessors, (393), 110 states have return successors, (393), 392 states have call predecessors, (393), 393 states have call successors, (393) [2022-07-13 23:58:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-13 23:58:21,103 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:58:21,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:58:21,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:58:21,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:58:21,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1357851347, now seen corresponding path program 1 times [2022-07-13 23:58:21,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:58:21,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701971963] [2022-07-13 23:58:21,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:58:21,155 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:58:21,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:58:21,157 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) [2022-07-13 23:58:21,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 23:59:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:59:01,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 21167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:59:01,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:59:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:59:01,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:59:01,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:59:01,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701971963] [2022-07-13 23:59:01,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701971963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:59:01,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:59:01,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:59:01,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906681672] [2022-07-13 23:59:01,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:59:01,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:59:01,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:59:01,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:59:01,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:59:01,316 INFO L87 Difference]: Start difference. First operand has 1894 states, 1389 states have (on average 1.3916486681065514) internal successors, (1933), 1414 states have internal predecessors, (1933), 393 states have call successors, (393), 110 states have call predecessors, (393), 110 states have return successors, (393), 392 states have call predecessors, (393), 393 states have call successors, (393) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:59:12,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.69s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:59:12,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:59:12,543 INFO L93 Difference]: Finished difference Result 3788 states and 5592 transitions. [2022-07-13 23:59:12,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:59:12,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-07-13 23:59:12,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:59:12,573 INFO L225 Difference]: With dead ends: 3788 [2022-07-13 23:59:12,573 INFO L226 Difference]: Without dead ends: 1892 [2022-07-13 23:59:12,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:59:12,592 INFO L413 NwaCegarLoop]: 2703 mSDtfsCounter, 2650 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 2750 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:59:12,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 2750 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2022-07-13 23:59:12,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-07-13 23:59:12,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1890. [2022-07-13 23:59:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1890 states, 1388 states have (on average 1.3876080691642652) internal successors, (1926), 1409 states have internal predecessors, (1926), 391 states have call successors, (391), 112 states have call predecessors, (391), 110 states have return successors, (380), 379 states have call predecessors, (380), 380 states have call successors, (380) [2022-07-13 23:59:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2697 transitions. [2022-07-13 23:59:12,723 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2697 transitions. Word has length 12 [2022-07-13 23:59:12,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:59:12,723 INFO L495 AbstractCegarLoop]: Abstraction has 1890 states and 2697 transitions. [2022-07-13 23:59:12,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:59:12,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2697 transitions. [2022-07-13 23:59:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-13 23:59:12,725 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:59:12,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:59:12,941 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-13 23:59:13,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2022-07-13 23:59:13,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:59:13,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:59:13,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:59:13,035 INFO L85 PathProgramCache]: Analyzing trace with hash -857980350, now seen corresponding path program 1 times [2022-07-13 23:59:13,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:59:13,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438681841] [2022-07-13 23:59:13,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:59:13,061 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:59:13,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:59:13,062 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) [2022-07-13 23:59:13,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 23:59:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:59:53,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 21168 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:59:53,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:59:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:59:53,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:59:53,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:59:53,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438681841] [2022-07-13 23:59:53,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438681841] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:59:53,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:59:53,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:59:53,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192432680] [2022-07-13 23:59:53,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:59:53,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:59:53,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:59:53,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:59:53,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:59:53,810 INFO L87 Difference]: Start difference. First operand 1890 states and 2697 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 00:00:04,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:00:05,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:05,346 INFO L93 Difference]: Finished difference Result 1892 states and 2698 transitions. [2022-07-14 00:00:05,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:00:05,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-07-14 00:00:05,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:05,354 INFO L225 Difference]: With dead ends: 1892 [2022-07-14 00:00:05,355 INFO L226 Difference]: Without dead ends: 1889 [2022-07-14 00:00:05,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:00:05,356 INFO L413 NwaCegarLoop]: 2686 mSDtfsCounter, 2677 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2677 SdHoareTripleChecker+Valid, 2688 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:00:05,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2677 Valid, 2688 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-07-14 00:00:05,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2022-07-14 00:00:05,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1889. [2022-07-14 00:00:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1388 states have (on average 1.3868876080691643) internal successors, (1925), 1408 states have internal predecessors, (1925), 390 states have call successors, (390), 112 states have call predecessors, (390), 110 states have return successors, (380), 379 states have call predecessors, (380), 380 states have call successors, (380) [2022-07-14 00:00:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2695 transitions. [2022-07-14 00:00:05,405 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2695 transitions. Word has length 13 [2022-07-14 00:00:05,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:05,405 INFO L495 AbstractCegarLoop]: Abstraction has 1889 states and 2695 transitions. [2022-07-14 00:00:05,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 00:00:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2695 transitions. [2022-07-14 00:00:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-14 00:00:05,406 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:05,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:00:05,627 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-14 00:00:05,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2022-07-14 00:00:05,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:05,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:05,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:05,731 INFO L85 PathProgramCache]: Analyzing trace with hash -829281354, now seen corresponding path program 1 times [2022-07-14 00:00:05,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:05,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627021587] [2022-07-14 00:00:05,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:05,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:05,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:05,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:00:05,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:00:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:00:51,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 21169 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:00:51,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:00:51,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:00:51,530 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:51,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627021587] [2022-07-14 00:00:51,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627021587] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:00:51,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:00:51,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:00:51,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694398743] [2022-07-14 00:00:51,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:00:51,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:00:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:51,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:00:51,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:00:51,531 INFO L87 Difference]: Start difference. First operand 1889 states and 2695 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 00:01:03,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:01:03,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:01:03,457 INFO L93 Difference]: Finished difference Result 1891 states and 2696 transitions. [2022-07-14 00:01:03,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:01:03,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-07-14 00:01:03,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:01:03,467 INFO L225 Difference]: With dead ends: 1891 [2022-07-14 00:01:03,467 INFO L226 Difference]: Without dead ends: 1888 [2022-07-14 00:01:03,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:01:03,469 INFO L413 NwaCegarLoop]: 2684 mSDtfsCounter, 2674 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2674 SdHoareTripleChecker+Valid, 2686 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:01:03,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2674 Valid, 2686 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-07-14 00:01:03,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2022-07-14 00:01:03,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1888. [2022-07-14 00:01:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1888 states, 1388 states have (on average 1.3861671469740633) internal successors, (1924), 1407 states have internal predecessors, (1924), 389 states have call successors, (389), 112 states have call predecessors, (389), 110 states have return successors, (380), 379 states have call predecessors, (380), 380 states have call successors, (380) [2022-07-14 00:01:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1888 states and 2693 transitions. [2022-07-14 00:01:03,517 INFO L78 Accepts]: Start accepts. Automaton has 1888 states and 2693 transitions. Word has length 14 [2022-07-14 00:01:03,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:01:03,518 INFO L495 AbstractCegarLoop]: Abstraction has 1888 states and 2693 transitions. [2022-07-14 00:01:03,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 00:01:03,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2693 transitions. [2022-07-14 00:01:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-14 00:01:03,518 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:01:03,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]