./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f650bb4f3da40725009dd8b6d69f0dc7e16289d0 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f650bb4f3da40725009dd8b6d69f0dc7e16289d0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 22:56:25,826 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 22:56:25,828 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 22:56:25,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 22:56:25,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 22:56:25,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 22:56:25,847 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 22:56:25,849 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 22:56:25,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 22:56:25,852 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 22:56:25,853 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 22:56:25,853 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 22:56:25,854 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 22:56:25,855 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 22:56:25,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 22:56:25,859 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 22:56:25,860 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 22:56:25,862 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 22:56:25,866 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 22:56:25,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 22:56:25,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 22:56:25,870 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 22:56:25,872 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 22:56:25,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 22:56:25,873 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 22:56:25,874 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 22:56:25,878 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 22:56:25,879 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 22:56:25,879 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 22:56:25,880 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 22:56:25,881 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 22:56:25,881 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 22:56:25,881 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 22:56:25,882 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 22:56:25,883 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 22:56:25,884 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 22:56:25,886 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 22:56:25,901 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 22:56:25,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 22:56:25,902 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 22:56:25,902 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 22:56:25,903 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 22:56:25,903 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 22:56:25,903 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 22:56:25,903 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 22:56:25,903 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 22:56:25,903 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 22:56:25,904 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 22:56:25,904 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 22:56:25,904 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 22:56:25,904 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 22:56:25,904 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 22:56:25,904 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 22:56:25,905 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 22:56:25,905 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 22:56:25,905 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 22:56:25,905 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 22:56:25,905 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 22:56:25,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 22:56:25,906 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 22:56:25,906 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 22:56:25,906 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 22:56:25,906 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 22:56:25,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f650bb4f3da40725009dd8b6d69f0dc7e16289d0 [2019-01-13 22:56:25,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 22:56:25,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 22:56:25,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 22:56:25,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 22:56:25,968 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 22:56:25,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2019-01-13 22:56:26,044 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468f09832/166bb400752344fbb75e43f913dfcd79/FLAG0a6c00a9a [2019-01-13 22:56:26,585 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 22:56:26,586 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2019-01-13 22:56:26,605 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468f09832/166bb400752344fbb75e43f913dfcd79/FLAG0a6c00a9a [2019-01-13 22:56:26,838 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468f09832/166bb400752344fbb75e43f913dfcd79 [2019-01-13 22:56:26,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 22:56:26,844 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 22:56:26,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 22:56:26,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 22:56:26,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 22:56:26,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 10:56:26" (1/1) ... [2019-01-13 22:56:26,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d6f0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:26, skipping insertion in model container [2019-01-13 22:56:26,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 10:56:26" (1/1) ... [2019-01-13 22:56:26,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 22:56:26,929 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 22:56:27,590 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 22:56:27,594 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NumberFormatException: Illegal leading minus sign on unsigned string -1234567. at java.lang.Integer.parseUnsignedInt(Integer.java:672) at java.lang.Integer.parseUnsignedInt(Integer.java:711) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.getConstantFirstDimensionOfArray(CTranslationUtil.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructIndexToInitInfo(InitializationHandler.java:1268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructInitializerInfo(InitializationHandler.java:1223) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:223) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.createUltimateInitProcedure(PostProcessor.java:746) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.postProcess(PostProcessor.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:567) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-13 22:56:27,603 INFO L168 Benchmark]: Toolchain (without parser) took 760.49 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 929.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-13 22:56:27,606 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 22:56:27,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.42 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 929.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-13 22:56:27,611 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 757.42 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 929.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NumberFormatException: Illegal leading minus sign on unsigned string -1234567. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NumberFormatException: Illegal leading minus sign on unsigned string -1234567.: java.lang.Integer.parseUnsignedInt(Integer.java:672) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-13 22:56:29,720 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 22:56:29,721 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 22:56:29,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 22:56:29,733 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 22:56:29,734 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 22:56:29,736 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 22:56:29,738 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 22:56:29,739 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 22:56:29,740 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 22:56:29,741 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 22:56:29,741 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 22:56:29,742 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 22:56:29,743 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 22:56:29,744 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 22:56:29,745 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 22:56:29,746 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 22:56:29,750 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 22:56:29,752 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 22:56:29,757 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 22:56:29,758 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 22:56:29,762 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 22:56:29,768 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 22:56:29,770 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 22:56:29,773 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 22:56:29,774 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 22:56:29,775 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 22:56:29,779 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 22:56:29,780 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 22:56:29,781 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 22:56:29,783 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 22:56:29,783 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 22:56:29,784 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 22:56:29,784 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 22:56:29,785 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 22:56:29,785 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 22:56:29,786 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 22:56:29,816 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 22:56:29,816 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 22:56:29,818 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 22:56:29,818 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 22:56:29,819 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 22:56:29,819 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 22:56:29,820 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 22:56:29,820 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 22:56:29,820 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 22:56:29,820 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 22:56:29,820 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 22:56:29,820 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 22:56:29,821 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 22:56:29,821 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 22:56:29,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 22:56:29,821 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 22:56:29,821 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 22:56:29,821 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 22:56:29,822 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 22:56:29,822 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 22:56:29,822 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 22:56:29,822 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 22:56:29,822 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 22:56:29,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 22:56:29,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 22:56:29,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 22:56:29,824 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 22:56:29,824 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 22:56:29,825 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 22:56:29,825 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f650bb4f3da40725009dd8b6d69f0dc7e16289d0 [2019-01-13 22:56:29,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 22:56:29,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 22:56:29,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 22:56:29,883 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 22:56:29,883 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 22:56:29,884 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2019-01-13 22:56:29,937 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bbad4df/b4986b312bfb4be5b46bad78c8fe47ab/FLAGdbceb81d3 [2019-01-13 22:56:30,438 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 22:56:30,439 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2019-01-13 22:56:30,459 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bbad4df/b4986b312bfb4be5b46bad78c8fe47ab/FLAGdbceb81d3 [2019-01-13 22:56:30,733 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bbad4df/b4986b312bfb4be5b46bad78c8fe47ab [2019-01-13 22:56:30,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 22:56:30,737 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 22:56:30,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 22:56:30,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 22:56:30,742 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 22:56:30,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 10:56:30" (1/1) ... [2019-01-13 22:56:30,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d769951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:30, skipping insertion in model container [2019-01-13 22:56:30,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 10:56:30" (1/1) ... [2019-01-13 22:56:30,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 22:56:30,833 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 22:56:31,379 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 22:56:31,481 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 22:56:31,601 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 22:56:31,717 INFO L195 MainTranslator]: Completed translation [2019-01-13 22:56:31,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:31 WrapperNode [2019-01-13 22:56:31,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 22:56:31,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 22:56:31,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 22:56:31,719 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 22:56:31,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:31" (1/1) ... [2019-01-13 22:56:31,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:31" (1/1) ... [2019-01-13 22:56:31,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:31" (1/1) ... [2019-01-13 22:56:31,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:31" (1/1) ... [2019-01-13 22:56:31,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:31" (1/1) ... [2019-01-13 22:56:31,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:31" (1/1) ... [2019-01-13 22:56:31,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:31" (1/1) ... [2019-01-13 22:56:31,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 22:56:31,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 22:56:31,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 22:56:31,862 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 22:56:31,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 22:56:31,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 22:56:31,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 22:56:31,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 22:56:31,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-01-13 22:56:31,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 22:56:31,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 22:56:31,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 22:56:31,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 22:56:31,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 22:56:31,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 22:56:31,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 22:56:31,925 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 22:56:31,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 22:56:31,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 22:56:31,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 22:56:31,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 22:56:31,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 22:56:31,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 22:56:31,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 22:56:31,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 22:56:31,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 22:56:31,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 22:56:31,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 22:56:31,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 22:56:31,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 22:56:31,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 22:56:31,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 22:56:31,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 22:56:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 22:56:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 22:56:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 22:56:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 22:56:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 22:56:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 22:56:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 22:56:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 22:56:31,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 22:56:31,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 22:56:31,929 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 22:56:31,929 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 22:56:31,929 INFO L138 BoogieDeclarations]: Found implementation of procedure fetch_item [2019-01-13 22:56:31,929 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_register_report [2019-01-13 22:56:31,929 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parser_main [2019-01-13 22:56:31,930 INFO L138 BoogieDeclarations]: Found implementation of procedure free_reports [2019-01-13 22:56:31,930 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2019-01-13 22:56:31,930 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_device [2019-01-13 22:56:31,930 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_23 [2019-01-13 22:56:31,930 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_23 [2019-01-13 22:56:31,930 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 22:56:31,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 22:56:31,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 22:56:31,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 22:56:31,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 22:56:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 22:56:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 22:56:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 22:56:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 22:56:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 22:56:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 22:56:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 22:56:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 22:56:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 22:56:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 22:56:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 22:56:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 22:56:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 22:56:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 22:56:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 22:56:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 22:56:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 22:56:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 22:56:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 22:56:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 22:56:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 22:56:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 22:56:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 22:56:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 22:56:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 22:56:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 22:56:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 22:56:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 22:56:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 22:56:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 22:56:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 22:56:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 22:56:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 22:56:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 22:56:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 22:56:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 22:56:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 22:56:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 22:56:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 22:56:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 22:56:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 22:56:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 22:56:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 22:56:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 22:56:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 22:56:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 22:56:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 22:56:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 22:56:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 22:56:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 22:56:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 22:56:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 22:56:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 22:56:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 22:56:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 22:56:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 22:56:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 22:56:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 22:56:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 22:56:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 22:56:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 22:56:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 22:56:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 22:56:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 22:56:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 22:56:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 22:56:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 22:56:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 22:56:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 22:56:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 22:56:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 22:56:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 22:56:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 22:56:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 22:56:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 22:56:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 22:56:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 22:56:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 22:56:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 22:56:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 22:56:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 22:56:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 22:56:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 22:56:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 22:56:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 22:56:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 22:56:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 22:56:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 22:56:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 22:56:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 22:56:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 22:56:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 22:56:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 22:56:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 22:56:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 22:56:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 22:56:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 22:56:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 22:56:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 22:56:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 22:56:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 22:56:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 22:56:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 22:56:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 22:56:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 22:56:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 22:56:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 22:56:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 22:56:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 22:56:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 22:56:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 22:56:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 22:56:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 22:56:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 22:56:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 22:56:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 22:56:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 22:56:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 22:56:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 22:56:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 22:56:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 22:56:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 22:56:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 22:56:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 22:56:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 22:56:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 22:56:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 22:56:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 22:56:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 22:56:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 22:56:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 22:56:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 22:56:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 22:56:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 22:56:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 22:56:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 22:56:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 22:56:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 22:56:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 22:56:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 22:56:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 22:56:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 22:56:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 22:56:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 22:56:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 22:56:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 22:56:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 22:56:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 22:56:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 22:56:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 22:56:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure fetch_item [2019-01-13 22:56:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure hid_register_report [2019-01-13 22:56:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parser_main [2019-01-13 22:56:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure free_reports [2019-01-13 22:56:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2019-01-13 22:56:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 22:56:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-01-13 22:56:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_device [2019-01-13 22:56:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure probe_23 [2019-01-13 22:56:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_23 [2019-01-13 22:56:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 22:56:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 22:56:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 22:56:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 22:56:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 22:56:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 22:56:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-13 22:56:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-13 22:56:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 22:56:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 22:56:32,803 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 22:56:34,353 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 22:56:35,815 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 22:56:35,815 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-13 22:56:35,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:56:35 BoogieIcfgContainer [2019-01-13 22:56:35,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 22:56:35,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 22:56:35,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 22:56:35,821 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 22:56:35,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 10:56:30" (1/3) ... [2019-01-13 22:56:35,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1064cc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 10:56:35, skipping insertion in model container [2019-01-13 22:56:35,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:56:31" (2/3) ... [2019-01-13 22:56:35,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1064cc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 10:56:35, skipping insertion in model container [2019-01-13 22:56:35,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:56:35" (3/3) ... [2019-01-13 22:56:35,827 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test23_2_false-valid-deref.i [2019-01-13 22:56:35,837 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 22:56:35,851 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 127 error locations. [2019-01-13 22:56:35,868 INFO L257 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2019-01-13 22:56:35,897 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 22:56:35,898 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 22:56:35,898 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 22:56:35,898 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 22:56:35,898 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 22:56:35,898 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 22:56:35,898 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 22:56:35,898 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 22:56:35,898 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 22:56:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states. [2019-01-13 22:56:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-13 22:56:35,939 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:56:35,941 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:56:35,944 INFO L423 AbstractCegarLoop]: === Iteration 1 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:56:35,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:56:35,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1094099034, now seen corresponding path program 1 times [2019-01-13 22:56:35,958 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:56:35,958 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:56:35,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:56:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:56:36,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:56:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:56:36,360 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 22:56:36,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:56:36,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 22:56:36,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 22:56:36,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 22:56:36,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 22:56:36,402 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 5 states. [2019-01-13 22:56:36,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:56:36,712 INFO L93 Difference]: Finished difference Result 178 states and 185 transitions. [2019-01-13 22:56:36,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 22:56:36,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-01-13 22:56:36,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:56:36,730 INFO L225 Difference]: With dead ends: 178 [2019-01-13 22:56:36,730 INFO L226 Difference]: Without dead ends: 175 [2019-01-13 22:56:36,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 22:56:36,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-01-13 22:56:36,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2019-01-13 22:56:36,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-01-13 22:56:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 180 transitions. [2019-01-13 22:56:36,820 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 180 transitions. Word has length 18 [2019-01-13 22:56:36,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:56:36,822 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 180 transitions. [2019-01-13 22:56:36,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 22:56:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 180 transitions. [2019-01-13 22:56:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-13 22:56:36,825 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:56:36,825 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:56:36,827 INFO L423 AbstractCegarLoop]: === Iteration 2 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:56:36,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:56:36,830 INFO L82 PathProgramCache]: Analyzing trace with hash -648711301, now seen corresponding path program 1 times [2019-01-13 22:56:36,831 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:56:36,831 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:56:36,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:56:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:56:36,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:56:37,018 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 22:56:37,020 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:56:37,026 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:56:37,026 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 22:56:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:56:37,250 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:56:37,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:56:37,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 22:56:37,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 22:56:37,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 22:56:37,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-13 22:56:37,257 INFO L87 Difference]: Start difference. First operand 173 states and 180 transitions. Second operand 7 states. [2019-01-13 22:56:38,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:56:38,421 INFO L93 Difference]: Finished difference Result 173 states and 180 transitions. [2019-01-13 22:56:38,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 22:56:38,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-01-13 22:56:38,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:56:38,427 INFO L225 Difference]: With dead ends: 173 [2019-01-13 22:56:38,427 INFO L226 Difference]: Without dead ends: 173 [2019-01-13 22:56:38,428 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 22:56:38,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-01-13 22:56:38,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2019-01-13 22:56:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-13 22:56:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 178 transitions. [2019-01-13 22:56:38,443 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 178 transitions. Word has length 18 [2019-01-13 22:56:38,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:56:38,444 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 178 transitions. [2019-01-13 22:56:38,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 22:56:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 178 transitions. [2019-01-13 22:56:38,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-13 22:56:38,446 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:56:38,446 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:56:38,447 INFO L423 AbstractCegarLoop]: === Iteration 3 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:56:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:56:38,447 INFO L82 PathProgramCache]: Analyzing trace with hash -648711300, now seen corresponding path program 1 times [2019-01-13 22:56:38,448 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:56:38,448 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:56:38,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:56:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:56:38,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:56:38,593 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 22:56:38,593 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:56:38,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:56:38,603 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 22:56:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:56:38,775 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:56:38,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:56:38,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 22:56:38,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 22:56:38,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 22:56:38,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-13 22:56:38,783 INFO L87 Difference]: Start difference. First operand 171 states and 178 transitions. Second operand 8 states. [2019-01-13 22:56:39,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:56:39,899 INFO L93 Difference]: Finished difference Result 171 states and 178 transitions. [2019-01-13 22:56:39,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 22:56:39,901 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-01-13 22:56:39,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:56:39,903 INFO L225 Difference]: With dead ends: 171 [2019-01-13 22:56:39,903 INFO L226 Difference]: Without dead ends: 171 [2019-01-13 22:56:39,904 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-01-13 22:56:39,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-13 22:56:39,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2019-01-13 22:56:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-01-13 22:56:39,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 176 transitions. [2019-01-13 22:56:39,927 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 176 transitions. Word has length 18 [2019-01-13 22:56:39,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:56:39,928 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 176 transitions. [2019-01-13 22:56:39,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 22:56:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 176 transitions. [2019-01-13 22:56:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 22:56:39,930 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:56:39,930 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:56:39,931 INFO L423 AbstractCegarLoop]: === Iteration 4 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:56:39,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:56:39,932 INFO L82 PathProgramCache]: Analyzing trace with hash -2109361347, now seen corresponding path program 1 times [2019-01-13 22:56:39,933 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:56:39,933 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:56:39,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:56:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:56:40,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:56:40,079 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 22:56:40,088 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:40,186 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 22:56:40,197 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-13 22:56:40,197 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 22:56:40,226 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:40,231 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:40,242 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 22:56:40,244 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-13 22:56:40,277 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 22:56:40,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 22:56:40,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 22:56:40,334 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-13 22:56:40,491 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2019-01-13 22:56:40,492 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:56:40,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:56:40,515 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:11 [2019-01-13 22:56:40,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:56:40,728 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:56:40,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:56:40,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-13 22:56:40,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-13 22:56:40,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-13 22:56:40,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-01-13 22:56:40,737 INFO L87 Difference]: Start difference. First operand 169 states and 176 transitions. Second operand 12 states. [2019-01-13 22:56:42,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:56:42,986 INFO L93 Difference]: Finished difference Result 261 states and 275 transitions. [2019-01-13 22:56:42,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-13 22:56:42,988 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2019-01-13 22:56:42,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:56:42,993 INFO L225 Difference]: With dead ends: 261 [2019-01-13 22:56:42,993 INFO L226 Difference]: Without dead ends: 258 [2019-01-13 22:56:42,993 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2019-01-13 22:56:42,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2019-01-13 22:56:43,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 172. [2019-01-13 22:56:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-01-13 22:56:43,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 179 transitions. [2019-01-13 22:56:43,012 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 179 transitions. Word has length 22 [2019-01-13 22:56:43,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:56:43,013 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 179 transitions. [2019-01-13 22:56:43,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-13 22:56:43,013 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 179 transitions. [2019-01-13 22:56:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 22:56:43,015 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:56:43,015 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:56:43,016 INFO L423 AbstractCegarLoop]: === Iteration 5 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:56:43,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:56:43,017 INFO L82 PathProgramCache]: Analyzing trace with hash -2109361346, now seen corresponding path program 1 times [2019-01-13 22:56:43,017 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:56:43,017 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:56:43,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:56:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:56:43,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:56:43,194 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 22:56:43,202 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:43,256 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 22:56:43,264 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-13 22:56:43,264 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 22:56:43,341 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:43,411 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:43,412 INFO L303 Elim1Store]: Index analysis took 103 ms [2019-01-13 22:56:43,496 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 22:56:43,498 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-13 22:56:43,551 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 22:56:43,595 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 22:56:43,655 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-13 22:56:43,662 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-13 22:56:43,662 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-13 22:56:43,670 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:56:43,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 22:56:43,729 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:83 [2019-01-13 22:56:45,121 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-13 22:56:45,132 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:45,134 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:45,134 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2019-01-13 22:56:45,135 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:56:45,209 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:45,213 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2019-01-13 22:56:45,214 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 22:56:45,319 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2019-01-13 22:56:45,320 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 22:56:45,399 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:45,403 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:45,405 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:56:45,406 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2019-01-13 22:56:45,406 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 22:56:45,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 22:56:45,476 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:61, output treesize:28 [2019-01-13 22:56:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:56:45,568 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:56:45,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:56:45,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 22:56:45,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 22:56:45,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 22:56:45,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-13 22:56:45,573 INFO L87 Difference]: Start difference. First operand 172 states and 179 transitions. Second operand 9 states. [2019-01-13 22:56:45,794 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-01-13 22:56:45,998 WARN L181 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-01-13 22:56:55,095 WARN L181 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 31 [2019-01-13 22:56:57,462 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-01-13 22:56:59,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:56:59,711 INFO L93 Difference]: Finished difference Result 257 states and 271 transitions. [2019-01-13 22:56:59,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-13 22:56:59,712 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-01-13 22:56:59,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:56:59,715 INFO L225 Difference]: With dead ends: 257 [2019-01-13 22:56:59,715 INFO L226 Difference]: Without dead ends: 257 [2019-01-13 22:56:59,716 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=67, Invalid=141, Unknown=6, NotChecked=26, Total=240 [2019-01-13 22:56:59,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-01-13 22:56:59,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 171. [2019-01-13 22:56:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-13 22:56:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 178 transitions. [2019-01-13 22:56:59,727 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 178 transitions. Word has length 22 [2019-01-13 22:56:59,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:56:59,727 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 178 transitions. [2019-01-13 22:56:59,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 22:56:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 178 transitions. [2019-01-13 22:56:59,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 22:56:59,729 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:56:59,730 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:56:59,730 INFO L423 AbstractCegarLoop]: === Iteration 6 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:56:59,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:56:59,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1614696975, now seen corresponding path program 1 times [2019-01-13 22:56:59,734 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:56:59,734 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:56:59,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:56:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:56:59,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:57:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:57:00,106 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:57:00,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:57:00,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 22:57:00,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 22:57:00,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 22:57:00,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 22:57:00,111 INFO L87 Difference]: Start difference. First operand 171 states and 178 transitions. Second operand 6 states. [2019-01-13 22:57:00,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:57:00,183 INFO L93 Difference]: Finished difference Result 177 states and 183 transitions. [2019-01-13 22:57:00,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 22:57:00,184 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-13 22:57:00,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:57:00,185 INFO L225 Difference]: With dead ends: 177 [2019-01-13 22:57:00,186 INFO L226 Difference]: Without dead ends: 169 [2019-01-13 22:57:00,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 22:57:00,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-01-13 22:57:00,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2019-01-13 22:57:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-01-13 22:57:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 173 transitions. [2019-01-13 22:57:00,199 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 173 transitions. Word has length 24 [2019-01-13 22:57:00,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:57:00,201 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 173 transitions. [2019-01-13 22:57:00,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 22:57:00,201 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 173 transitions. [2019-01-13 22:57:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 22:57:00,202 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:57:00,202 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:57:00,203 INFO L423 AbstractCegarLoop]: === Iteration 7 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:57:00,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:57:00,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1941966167, now seen corresponding path program 1 times [2019-01-13 22:57:00,203 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:57:00,203 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:57:00,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:57:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:57:00,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:57:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:57:00,303 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:57:00,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:57:00,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 22:57:00,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 22:57:00,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 22:57:00,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 22:57:00,307 INFO L87 Difference]: Start difference. First operand 167 states and 173 transitions. Second operand 5 states. [2019-01-13 22:57:00,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:57:00,363 INFO L93 Difference]: Finished difference Result 163 states and 168 transitions. [2019-01-13 22:57:00,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 22:57:00,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-13 22:57:00,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:57:00,367 INFO L225 Difference]: With dead ends: 163 [2019-01-13 22:57:00,367 INFO L226 Difference]: Without dead ends: 163 [2019-01-13 22:57:00,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 22:57:00,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-01-13 22:57:00,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2019-01-13 22:57:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-01-13 22:57:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 168 transitions. [2019-01-13 22:57:00,376 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 168 transitions. Word has length 22 [2019-01-13 22:57:00,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:57:00,376 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 168 transitions. [2019-01-13 22:57:00,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 22:57:00,376 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 168 transitions. [2019-01-13 22:57:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-13 22:57:00,379 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:57:00,379 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:57:00,381 INFO L423 AbstractCegarLoop]: === Iteration 8 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:57:00,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:57:00,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1073247800, now seen corresponding path program 1 times [2019-01-13 22:57:00,382 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:57:00,382 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:57:00,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:57:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:57:00,551 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:57:00,564 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 22:57:00,564 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:57:00,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:57:00,575 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 22:57:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:57:00,629 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:57:00,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:57:00,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 22:57:00,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 22:57:00,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 22:57:00,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 22:57:00,635 INFO L87 Difference]: Start difference. First operand 163 states and 168 transitions. Second operand 6 states. [2019-01-13 22:57:01,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:57:01,437 INFO L93 Difference]: Finished difference Result 160 states and 165 transitions. [2019-01-13 22:57:01,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 22:57:01,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-01-13 22:57:01,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:57:01,440 INFO L225 Difference]: With dead ends: 160 [2019-01-13 22:57:01,440 INFO L226 Difference]: Without dead ends: 160 [2019-01-13 22:57:01,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 22:57:01,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-01-13 22:57:01,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-01-13 22:57:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-01-13 22:57:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2019-01-13 22:57:01,445 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 36 [2019-01-13 22:57:01,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:57:01,445 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2019-01-13 22:57:01,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 22:57:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2019-01-13 22:57:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-13 22:57:01,446 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:57:01,447 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:57:01,449 INFO L423 AbstractCegarLoop]: === Iteration 9 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:57:01,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:57:01,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1073247799, now seen corresponding path program 1 times [2019-01-13 22:57:01,450 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:57:01,450 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:57:01,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:57:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:57:01,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:57:01,648 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 22:57:01,649 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:57:01,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:57:01,653 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 22:57:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:57:01,706 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:57:01,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:57:01,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 22:57:01,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 22:57:01,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 22:57:01,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-01-13 22:57:01,710 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 7 states. [2019-01-13 22:57:02,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:57:02,659 INFO L93 Difference]: Finished difference Result 157 states and 162 transitions. [2019-01-13 22:57:02,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 22:57:02,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-01-13 22:57:02,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:57:02,662 INFO L225 Difference]: With dead ends: 157 [2019-01-13 22:57:02,663 INFO L226 Difference]: Without dead ends: 157 [2019-01-13 22:57:02,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-01-13 22:57:02,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-01-13 22:57:02,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-01-13 22:57:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-01-13 22:57:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 162 transitions. [2019-01-13 22:57:02,671 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 162 transitions. Word has length 36 [2019-01-13 22:57:02,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:57:02,671 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 162 transitions. [2019-01-13 22:57:02,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 22:57:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2019-01-13 22:57:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-13 22:57:02,674 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:57:02,675 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:57:02,676 INFO L423 AbstractCegarLoop]: === Iteration 10 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:57:02,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:57:02,677 INFO L82 PathProgramCache]: Analyzing trace with hash 130862412, now seen corresponding path program 1 times [2019-01-13 22:57:02,680 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:57:02,681 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:57:02,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:57:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:57:02,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:57:02,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:57:02,810 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:57:02,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:57:02,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 22:57:02,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 22:57:02,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 22:57:02,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 22:57:02,817 INFO L87 Difference]: Start difference. First operand 157 states and 162 transitions. Second operand 5 states. [2019-01-13 22:57:02,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:57:02,866 INFO L93 Difference]: Finished difference Result 156 states and 161 transitions. [2019-01-13 22:57:02,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 22:57:02,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-01-13 22:57:02,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:57:02,868 INFO L225 Difference]: With dead ends: 156 [2019-01-13 22:57:02,869 INFO L226 Difference]: Without dead ends: 156 [2019-01-13 22:57:02,870 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 22:57:02,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-01-13 22:57:02,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-01-13 22:57:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-01-13 22:57:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 161 transitions. [2019-01-13 22:57:02,874 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 161 transitions. Word has length 40 [2019-01-13 22:57:02,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:57:02,875 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 161 transitions. [2019-01-13 22:57:02,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 22:57:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2019-01-13 22:57:02,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-13 22:57:02,877 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:57:02,877 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:57:02,878 INFO L423 AbstractCegarLoop]: === Iteration 11 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:57:02,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:57:02,878 INFO L82 PathProgramCache]: Analyzing trace with hash -238232354, now seen corresponding path program 1 times [2019-01-13 22:57:02,879 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:57:02,882 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:57:02,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:57:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:57:02,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:57:03,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:57:03,208 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:57:03,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:57:03,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 22:57:03,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 22:57:03,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 22:57:03,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 22:57:03,211 INFO L87 Difference]: Start difference. First operand 156 states and 161 transitions. Second operand 6 states. [2019-01-13 22:57:03,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:57:03,310 INFO L93 Difference]: Finished difference Result 156 states and 160 transitions. [2019-01-13 22:57:03,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 22:57:03,312 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2019-01-13 22:57:03,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:57:03,314 INFO L225 Difference]: With dead ends: 156 [2019-01-13 22:57:03,314 INFO L226 Difference]: Without dead ends: 156 [2019-01-13 22:57:03,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 22:57:03,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-01-13 22:57:03,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-01-13 22:57:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-01-13 22:57:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions. [2019-01-13 22:57:03,324 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 41 [2019-01-13 22:57:03,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:57:03,324 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions. [2019-01-13 22:57:03,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 22:57:03,325 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2019-01-13 22:57:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-13 22:57:03,328 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:57:03,328 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:57:03,329 INFO L423 AbstractCegarLoop]: === Iteration 12 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:57:03,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:57:03,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1295114358, now seen corresponding path program 1 times [2019-01-13 22:57:03,330 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:57:03,335 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:57:03,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:57:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:57:03,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:57:03,643 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 22:57:03,644 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:57:03,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:57:03,647 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 22:57:04,164 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc13.base| (_ BitVec 32))) (= |c_#valid| (store |c_old(#valid)| |ldv_zalloc_#t~malloc13.base| (_ bv1 1)))) is different from true [2019-01-13 22:57:04,167 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 22:57:04,168 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:57:04,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 22:57:04,171 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:6, output treesize:5 [2019-01-13 22:57:06,368 WARN L181 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2019-01-13 22:57:06,377 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-13 22:57:06,378 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:57:06,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 22:57:06,385 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-13 22:57:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:57:07,538 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:57:07,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:57:07,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 22:57:07,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 22:57:07,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 22:57:07,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=36, Unknown=5, NotChecked=12, Total=72 [2019-01-13 22:57:07,543 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 9 states. [2019-01-13 22:57:23,934 WARN L181 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-13 22:58:58,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:58:58,182 INFO L93 Difference]: Finished difference Result 171 states and 177 transitions. [2019-01-13 22:58:58,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 22:58:58,184 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2019-01-13 22:58:58,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:58:58,185 INFO L225 Difference]: With dead ends: 171 [2019-01-13 22:58:58,185 INFO L226 Difference]: Without dead ends: 171 [2019-01-13 22:58:58,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=42, Invalid=86, Unknown=8, NotChecked=20, Total=156 [2019-01-13 22:58:58,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-13 22:58:58,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 151. [2019-01-13 22:58:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-01-13 22:58:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2019-01-13 22:58:58,192 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 47 [2019-01-13 22:58:58,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:58:58,194 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2019-01-13 22:58:58,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 22:58:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2019-01-13 22:58:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-13 22:58:58,197 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:58:58,197 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:58:58,197 INFO L423 AbstractCegarLoop]: === Iteration 13 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:58:58,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:58:58,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1295114357, now seen corresponding path program 1 times [2019-01-13 22:58:58,202 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:58:58,202 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:58:58,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:58:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:58:58,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:58:58,475 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 22:58:58,476 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:58:58,489 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 22:58:58,490 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 22:58:58,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:58:58,499 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-13 22:58:59,680 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc13.base| (_ BitVec 32)) (ldv_zalloc_~size (_ BitVec 32))) (and (= (select |c_old(#valid)| |ldv_zalloc_#t~malloc13.base|) (_ bv0 1)) (= |c_#length| (store |c_old(#length)| |ldv_zalloc_#t~malloc13.base| ldv_zalloc_~size)))) is different from true [2019-01-13 22:58:59,693 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-13 22:58:59,693 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:58:59,698 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 22:58:59,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 22:58:59,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:58:59,703 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2019-01-13 22:58:59,734 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:58:59,736 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:58:59,737 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2019-01-13 22:58:59,737 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 22:58:59,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 22:58:59,764 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 22:58:59,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:58:59,777 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:9 [2019-01-13 22:58:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:58:59,841 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:58:59,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:58:59,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 22:58:59,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 22:58:59,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 22:58:59,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-13 22:58:59,844 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand 9 states. [2019-01-13 22:59:00,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:59:00,900 INFO L93 Difference]: Finished difference Result 166 states and 172 transitions. [2019-01-13 22:59:00,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 22:59:00,902 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2019-01-13 22:59:00,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:59:00,904 INFO L225 Difference]: With dead ends: 166 [2019-01-13 22:59:00,904 INFO L226 Difference]: Without dead ends: 166 [2019-01-13 22:59:00,905 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=38, Invalid=75, Unknown=1, NotChecked=18, Total=132 [2019-01-13 22:59:00,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-01-13 22:59:00,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 146. [2019-01-13 22:59:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-01-13 22:59:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2019-01-13 22:59:00,910 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 47 [2019-01-13 22:59:00,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:59:00,910 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2019-01-13 22:59:00,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 22:59:00,911 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2019-01-13 22:59:00,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-13 22:59:00,911 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:59:00,911 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:59:00,912 INFO L423 AbstractCegarLoop]: === Iteration 14 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:59:00,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:59:00,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1484415255, now seen corresponding path program 1 times [2019-01-13 22:59:00,916 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:59:00,916 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:59:00,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:59:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:59:01,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:59:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:59:01,468 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:59:01,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:59:01,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 22:59:01,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 22:59:01,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 22:59:01,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-01-13 22:59:01,482 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 7 states. [2019-01-13 22:59:01,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:59:01,993 INFO L93 Difference]: Finished difference Result 145 states and 149 transitions. [2019-01-13 22:59:01,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 22:59:01,995 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-01-13 22:59:01,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:59:01,997 INFO L225 Difference]: With dead ends: 145 [2019-01-13 22:59:01,997 INFO L226 Difference]: Without dead ends: 145 [2019-01-13 22:59:01,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-01-13 22:59:02,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-01-13 22:59:02,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-01-13 22:59:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-01-13 22:59:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 149 transitions. [2019-01-13 22:59:02,006 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 149 transitions. Word has length 51 [2019-01-13 22:59:02,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:59:02,007 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 149 transitions. [2019-01-13 22:59:02,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 22:59:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 149 transitions. [2019-01-13 22:59:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-13 22:59:02,010 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:59:02,010 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:59:02,011 INFO L423 AbstractCegarLoop]: === Iteration 15 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:59:02,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:59:02,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1484416699, now seen corresponding path program 1 times [2019-01-13 22:59:02,017 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:59:02,017 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:59:02,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:59:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:59:02,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:59:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:59:02,152 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:59:02,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:59:02,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 22:59:02,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 22:59:02,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 22:59:02,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 22:59:02,156 INFO L87 Difference]: Start difference. First operand 145 states and 149 transitions. Second operand 4 states. [2019-01-13 22:59:02,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:59:02,163 INFO L93 Difference]: Finished difference Result 148 states and 152 transitions. [2019-01-13 22:59:02,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 22:59:02,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-01-13 22:59:02,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:59:02,165 INFO L225 Difference]: With dead ends: 148 [2019-01-13 22:59:02,166 INFO L226 Difference]: Without dead ends: 148 [2019-01-13 22:59:02,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 22:59:02,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-01-13 22:59:02,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-01-13 22:59:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-01-13 22:59:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2019-01-13 22:59:02,170 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 51 [2019-01-13 22:59:02,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:59:02,171 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2019-01-13 22:59:02,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 22:59:02,171 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2019-01-13 22:59:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-13 22:59:02,172 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:59:02,172 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:59:02,173 INFO L423 AbstractCegarLoop]: === Iteration 16 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:59:02,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:59:02,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1852458206, now seen corresponding path program 1 times [2019-01-13 22:59:02,173 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:59:02,173 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:59:02,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:59:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:59:02,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:59:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:59:02,408 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:59:02,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:59:02,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 22:59:02,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 22:59:02,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 22:59:02,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 22:59:02,411 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 5 states. [2019-01-13 22:59:02,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:59:02,424 INFO L93 Difference]: Finished difference Result 143 states and 146 transitions. [2019-01-13 22:59:02,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 22:59:02,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-01-13 22:59:02,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:59:02,428 INFO L225 Difference]: With dead ends: 143 [2019-01-13 22:59:02,428 INFO L226 Difference]: Without dead ends: 143 [2019-01-13 22:59:02,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 22:59:02,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-01-13 22:59:02,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-01-13 22:59:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-01-13 22:59:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 146 transitions. [2019-01-13 22:59:02,435 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 146 transitions. Word has length 58 [2019-01-13 22:59:02,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:59:02,438 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 146 transitions. [2019-01-13 22:59:02,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 22:59:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 146 transitions. [2019-01-13 22:59:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-13 22:59:02,439 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:59:02,439 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:59:02,440 INFO L423 AbstractCegarLoop]: === Iteration 17 === [fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2019-01-13 22:59:02,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:59:02,440 INFO L82 PathProgramCache]: Analyzing trace with hash 546755732, now seen corresponding path program 1 times [2019-01-13 22:59:02,440 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:59:02,440 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:59:02,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:59:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 22:59:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 22:59:03,288 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 22:59:03,289 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:59:03,350 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-13 22:59:03,352 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 22:59:03,352 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 22:59:03,353 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-13 22:59:03,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 10:59:03 BoogieIcfgContainer [2019-01-13 22:59:03,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 22:59:03,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 22:59:03,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 22:59:03,384 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 22:59:03,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:56:35" (3/4) ... [2019-01-13 22:59:03,396 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-13 22:59:03,429 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 22:59:03,429 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 22:59:03,430 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-13 22:59:03,430 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-13 22:59:03,513 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 22:59:03,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 22:59:03,514 INFO L168 Benchmark]: Toolchain (without parser) took 152777.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. [2019-01-13 22:59:03,516 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 22:59:03,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 980.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2019-01-13 22:59:03,517 INFO L168 Benchmark]: Boogie Preprocessor took 142.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-13 22:59:03,519 INFO L168 Benchmark]: RCFGBuilder took 3955.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.2 MB in the end (delta: 149.1 MB). Peak memory consumption was 149.1 MB. Max. memory is 11.5 GB. [2019-01-13 22:59:03,520 INFO L168 Benchmark]: TraceAbstraction took 147563.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 139.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 22:59:03,520 INFO L168 Benchmark]: Witness Printer took 129.24 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 22:59:03,525 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 980.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 142.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3955.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.2 MB in the end (delta: 149.1 MB). Peak memory consumption was 149.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 147563.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 139.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 129.24 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1518]: array index can be out of bounds array index can be out of bounds We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1559] struct hid_device dev; VAL [\old(dev)=null, \old(dev)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1569] CALL entry_point() VAL [dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1562] CALL probe_23(&dev) VAL [dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1537] int ret = - -3; VAL [dev={-1523737288:0}, dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, ret=3] [L1538] CALL, EXPR ldv_malloc(sizeof(struct hid_report_enum)) VAL [\old(size)=1036, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=1036, \result={1703962374:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, malloc(size)={1703962374:0}, size=1036] [L1538] RET, EXPR ldv_malloc(sizeof(struct hid_report_enum)) VAL [dev={-1523737288:0}, dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, ldv_malloc(sizeof(struct hid_report_enum))={1703962374:0}, ret=3] [L1538] struct hid_report_enum *p = (struct hid_report_enum *)ldv_malloc(sizeof(struct hid_report_enum)); [L1539] COND FALSE !(p==0) VAL [dev={-1523737288:0}, dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, p={1703962374:0}, ret=3] [L1541] CALL LDV_INIT_LIST_HEAD(&p->report_list) VAL [dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, list={1703962374:4}] [L1099] list->next = list VAL [dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, list={1703962374:4}, list={1703962374:4}] [L1100] list->prev = list VAL [dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, list={1703962374:4}, list={1703962374:4}] [L1541] RET LDV_INIT_LIST_HEAD(&p->report_list) VAL [dev={-1523737288:0}, dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, p={1703962374:0}, ret=3] [L1542] dev->report_enum = p VAL [dev={-1523737288:0}, dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, p={1703962374:0}, ret=3] [L1544] CALL hid_open_report(dev) VAL [dev={-1523737288:0}, device={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1504] struct hid_parser *parser; [L1505] struct hid_item item; VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1506] CALL, EXPR ldv_zalloc(sizeof(struct hid_parser)) VAL [\old(size)=8, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1081] EXPR, FCALL calloc(size, 1) VAL [\old(size)=8, calloc(size, 1)={-1523737159:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, size=8] [L1081] return calloc(size, 1); VAL [\old(size)=8, \result={-1523737159:0}, calloc(size, 1)={-1523737159:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, size=8] [L1506] RET, EXPR ldv_zalloc(sizeof(struct hid_parser)) VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, ldv_zalloc(sizeof(struct hid_parser))={-1523737159:0}] [L1506] parser = ldv_zalloc(sizeof(struct hid_parser)) [L1507] COND FALSE !(!parser) VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, parser={-1523737159:0}] [L1510] parser->device = device VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, parser={-1523737159:0}] [L1511] CALL, EXPR ldv_positive() VAL [dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1064] int r = __VERIFIER_nondet_int(); [L1065] COND TRUE r>0 [L1065] return r; VAL [\result=1, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, r=1] [L1511] RET, EXPR ldv_positive() VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, ldv_positive()=1, parser={-1523737159:0}] [L1511] parser->report_id = ldv_positive() VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, ldv_positive()=1, parser={-1523737159:0}] [L1517] CALL, EXPR fetch_item(&item) VAL [dev={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1461] COND FALSE !(__VERIFIER_nondet_int()) [L1464] item->type = 0 VAL [dev={-1523737288:0}, item={-1584557815:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1465] item->a = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={-1523737288:0}, item={-1584557815:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1466] item->b = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={-1523737288:0}, item={-1584557815:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1467] item->c = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={-1523737288:0}, item={-1584557815:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1468] return 0; VAL [\result=0, dev={-1523737288:0}, item={-1584557815:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1517] RET, EXPR fetch_item(&item) VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, fetch_item(&item)=0, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, parser={-1523737159:0}] [L1517] COND TRUE fetch_item(&item)!=-1 [L1518] EXPR item.type VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, item.type=0, ldv_global_msg_list={-2071160599:0}, parser={-1523737159:0}] [L1518] dispatch_type[item.type] VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, item.type=0, ldv_global_msg_list={-2071160599:0}, parser={-1523737159:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 53 procedures, 481 locations, 127 error locations. UNSAFE Result, 147.4s OverallTime, 17 OverallIterations, 1 TraceHistogramMax, 133.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2250 SDtfs, 1482 SDslu, 6750 SDs, 0 SdLazy, 3409 SolverSat, 251 SolverUnsat, 128 SolverUnknown, 0 SolverNotchecked, 117.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 568 GetRequests, 443 SyntacticMatches, 16 SemanticMatches, 109 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 22.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=343occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 220 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 535 ConstructedInterpolants, 47 QuantifiedInterpolants, 57122 SizeOfPredicates, 52 NumberOfNonLiveVariables, 2734 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...