./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer --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=/tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer --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 0.1.23-635dfa2 [2018-12-08 19:04:18,433 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:04:18,434 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:04:18,439 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:04:18,440 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:04:18,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:04:18,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:04:18,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:04:18,442 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:04:18,443 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:04:18,443 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:04:18,443 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:04:18,444 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:04:18,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:04:18,445 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:04:18,445 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:04:18,446 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:04:18,446 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:04:18,447 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:04:18,448 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:04:18,449 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:04:18,449 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:04:18,450 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:04:18,451 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:04:18,451 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:04:18,451 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:04:18,452 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:04:18,452 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:04:18,452 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:04:18,453 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:04:18,453 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:04:18,453 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:04:18,454 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:04:18,454 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:04:18,454 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:04:18,454 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:04:18,455 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-08 19:04:18,462 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:04:18,462 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:04:18,462 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:04:18,462 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:04:18,463 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:04:18,463 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:04:18,463 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 19:04:18,463 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:04:18,463 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:04:18,463 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 19:04:18,463 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:04:18,463 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:04:18,463 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:04:18,464 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 19:04:18,464 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 19:04:18,464 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 19:04:18,464 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:04:18,464 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:04:18,464 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:04:18,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:04:18,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:04:18,464 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:04:18,464 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:04:18,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:04:18,465 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:04:18,465 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:04:18,465 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 19:04:18,465 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:04:18,465 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer 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 [2018-12-08 19:04:18,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:04:18,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:04:18,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:04:18,491 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:04:18,492 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:04:18,492 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2018-12-08 19:04:18,526 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/data/73545cde7/18e4f62681e9430c83ce1136ba6a1376/FLAGd4ef04471 [2018-12-08 19:04:18,889 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:04:18,890 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/sv-benchmarks/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2018-12-08 19:04:18,898 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/data/73545cde7/18e4f62681e9430c83ce1136ba6a1376/FLAGd4ef04471 [2018-12-08 19:04:19,266 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/data/73545cde7/18e4f62681e9430c83ce1136ba6a1376 [2018-12-08 19:04:19,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:04:19,269 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 19:04:19,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:04:19,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:04:19,272 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:04:19,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:04:19" (1/1) ... [2018-12-08 19:04:19,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c0526c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:19, skipping insertion in model container [2018-12-08 19:04:19,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:04:19" (1/1) ... [2018-12-08 19:04:19,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:04:19,320 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:04:19,612 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:04:19,613 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:639) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.postProcess(PostProcessor.java:205) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:566) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-08 19:04:19,616 INFO L168 Benchmark]: Toolchain (without parser) took 347.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-12-08 19:04:19,617 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:04:19,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-12-08 19:04:19,619 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 33.0 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 0.1.23-635dfa2 [2018-12-08 19:04:20,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:04:20,655 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:04:20,661 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:04:20,661 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:04:20,662 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:04:20,662 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:04:20,663 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:04:20,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:04:20,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:04:20,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:04:20,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:04:20,665 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:04:20,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:04:20,666 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:04:20,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:04:20,667 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:04:20,668 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:04:20,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:04:20,669 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:04:20,670 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:04:20,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:04:20,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:04:20,672 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:04:20,672 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:04:20,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:04:20,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:04:20,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:04:20,673 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:04:20,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:04:20,674 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:04:20,674 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:04:20,674 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:04:20,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:04:20,675 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:04:20,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:04:20,676 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-08 19:04:20,683 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:04:20,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:04:20,683 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:04:20,684 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:04:20,684 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:04:20,684 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:04:20,684 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 19:04:20,684 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:04:20,684 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:04:20,684 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:04:20,685 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:04:20,686 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:04:20,686 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:04:20,686 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:04:20,686 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:04:20,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:04:20,686 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:04:20,686 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:04:20,686 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 19:04:20,686 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:04:20,686 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 19:04:20,687 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer 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 [2018-12-08 19:04:20,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:04:20,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:04:20,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:04:20,714 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:04:20,715 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:04:20,715 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2018-12-08 19:04:20,751 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/data/8880e0986/146d8f90a0ed49d39d6447f81d6a8d18/FLAGc0922161c [2018-12-08 19:04:21,136 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:04:21,137 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/sv-benchmarks/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2018-12-08 19:04:21,144 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/data/8880e0986/146d8f90a0ed49d39d6447f81d6a8d18/FLAGc0922161c [2018-12-08 19:04:21,484 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/data/8880e0986/146d8f90a0ed49d39d6447f81d6a8d18 [2018-12-08 19:04:21,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:04:21,489 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 19:04:21,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:04:21,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:04:21,496 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:04:21,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:04:21" (1/1) ... [2018-12-08 19:04:21,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601cfbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21, skipping insertion in model container [2018-12-08 19:04:21,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:04:21" (1/1) ... [2018-12-08 19:04:21,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:04:21,540 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:04:21,779 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:04:21,794 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:04:21,886 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:04:21,930 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:04:21,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21 WrapperNode [2018-12-08 19:04:21,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:04:21,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:04:21,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:04:21,931 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:04:21,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21" (1/1) ... [2018-12-08 19:04:21,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21" (1/1) ... [2018-12-08 19:04:21,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21" (1/1) ... [2018-12-08 19:04:21,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21" (1/1) ... [2018-12-08 19:04:21,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21" (1/1) ... [2018-12-08 19:04:21,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21" (1/1) ... [2018-12-08 19:04:21,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21" (1/1) ... [2018-12-08 19:04:21,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:04:21,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:04:21,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:04:21,993 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:04:21,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:04:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:04:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 19:04:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2018-12-08 19:04:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 19:04:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 19:04:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-08 19:04:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-08 19:04:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 19:04:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 19:04:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-08 19:04:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-08 19:04:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-08 19:04:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-08 19:04:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-08 19:04:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-08 19:04:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-08 19:04:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-08 19:04:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-08 19:04:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-08 19:04:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-08 19:04:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-08 19:04:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-08 19:04:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-08 19:04:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-08 19:04:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-08 19:04:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-08 19:04:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-08 19:04:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-08 19:04:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-08 19:04:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-08 19:04:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-08 19:04:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-08 19:04:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-08 19:04:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure fetch_item [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_register_report [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parser_main [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure free_reports [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_device [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_23 [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_23 [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-08 19:04:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:04:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 19:04:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 19:04:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 19:04:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 19:04:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 19:04:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 19:04:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 19:04:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 19:04:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 19:04:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 19:04:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 19:04:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 19:04:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 19:04:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 19:04:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 19:04:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 19:04:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 19:04:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 19:04:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 19:04:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 19:04:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 19:04:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 19:04:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 19:04:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 19:04:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 19:04:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 19:04:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 19:04:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 19:04:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 19:04:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 19:04:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 19:04:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 19:04:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 19:04:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 19:04:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 19:04:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 19:04:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 19:04:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 19:04:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 19:04:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 19:04:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 19:04:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 19:04:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 19:04:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-08 19:04:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-08 19:04:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-08 19:04:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure fetch_item [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure hid_register_report [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parser_main [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure free_reports [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_device [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure probe_23 [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_23 [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-08 19:04:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:04:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:04:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 19:04:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:04:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-08 19:04:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-08 19:04:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 19:04:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 19:04:22,433 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 19:04:22,771 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 19:04:23,079 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:04:23,079 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-12-08 19:04:23,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:04:23 BoogieIcfgContainer [2018-12-08 19:04:23,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:04:23,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:04:23,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:04:23,083 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:04:23,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:04:21" (1/3) ... [2018-12-08 19:04:23,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a0db5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:04:23, skipping insertion in model container [2018-12-08 19:04:23,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:04:21" (2/3) ... [2018-12-08 19:04:23,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a0db5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:04:23, skipping insertion in model container [2018-12-08 19:04:23,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:04:23" (3/3) ... [2018-12-08 19:04:23,085 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test23_2_false-valid-deref.i [2018-12-08 19:04:23,094 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:04:23,099 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 118 error locations. [2018-12-08 19:04:23,113 INFO L257 AbstractCegarLoop]: Starting to check reachability of 118 error locations. [2018-12-08 19:04:23,129 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 19:04:23,130 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:04:23,130 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 19:04:23,130 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:04:23,130 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:04:23,130 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:04:23,130 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:04:23,130 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:04:23,130 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:04:23,145 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2018-12-08 19:04:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 19:04:23,151 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:23,152 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:04:23,153 INFO L423 AbstractCegarLoop]: === Iteration 1 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:23,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:23,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1568859204, now seen corresponding path program 1 times [2018-12-08 19:04:23,159 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:23,159 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:23,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:23,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:23,405 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 [2018-12-08 19:04:23,406 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:23,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 19:04:23,418 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 19:04:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:23,494 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:23,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:23,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:04:23,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:04:23,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:04:23,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:04:23,516 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 8 states. [2018-12-08 19:04:24,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:24,202 INFO L93 Difference]: Finished difference Result 182 states and 191 transitions. [2018-12-08 19:04:24,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:04:24,205 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-12-08 19:04:24,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:24,215 INFO L225 Difference]: With dead ends: 182 [2018-12-08 19:04:24,215 INFO L226 Difference]: Without dead ends: 179 [2018-12-08 19:04:24,216 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:04:24,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-12-08 19:04:24,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 171. [2018-12-08 19:04:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-12-08 19:04:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 181 transitions. [2018-12-08 19:04:24,254 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 181 transitions. Word has length 18 [2018-12-08 19:04:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:24,255 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 181 transitions. [2018-12-08 19:04:24,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:04:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 181 transitions. [2018-12-08 19:04:24,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 19:04:24,255 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:24,255 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:04:24,256 INFO L423 AbstractCegarLoop]: === Iteration 2 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:24,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:24,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1568859205, now seen corresponding path program 1 times [2018-12-08 19:04:24,256 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:24,256 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:24,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:24,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:24,315 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 [2018-12-08 19:04:24,316 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:24,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 19:04:24,317 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 19:04:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:24,342 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:24,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:24,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:04:24,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:04:24,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:04:24,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:04:24,345 INFO L87 Difference]: Start difference. First operand 171 states and 181 transitions. Second operand 7 states. [2018-12-08 19:04:24,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:24,871 INFO L93 Difference]: Finished difference Result 176 states and 185 transitions. [2018-12-08 19:04:24,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:04:24,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-12-08 19:04:24,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:24,872 INFO L225 Difference]: With dead ends: 176 [2018-12-08 19:04:24,872 INFO L226 Difference]: Without dead ends: 176 [2018-12-08 19:04:24,873 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:04:24,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-12-08 19:04:24,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 170. [2018-12-08 19:04:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-12-08 19:04:24,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 178 transitions. [2018-12-08 19:04:24,879 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 178 transitions. Word has length 18 [2018-12-08 19:04:24,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:24,879 INFO L480 AbstractCegarLoop]: Abstraction has 170 states and 178 transitions. [2018-12-08 19:04:24,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:04:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 178 transitions. [2018-12-08 19:04:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 19:04:24,880 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:24,880 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:04:24,880 INFO L423 AbstractCegarLoop]: === Iteration 3 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:24,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:24,881 INFO L82 PathProgramCache]: Analyzing trace with hash 173951131, now seen corresponding path program 1 times [2018-12-08 19:04:24,881 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:24,881 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:24,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:24,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:24,965 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:24,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:24,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 19:04:24,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 19:04:24,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 19:04:24,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:04:24,967 INFO L87 Difference]: Start difference. First operand 170 states and 178 transitions. Second operand 5 states. [2018-12-08 19:04:25,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:25,003 INFO L93 Difference]: Finished difference Result 163 states and 170 transitions. [2018-12-08 19:04:25,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 19:04:25,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-12-08 19:04:25,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:25,004 INFO L225 Difference]: With dead ends: 163 [2018-12-08 19:04:25,004 INFO L226 Difference]: Without dead ends: 163 [2018-12-08 19:04:25,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:04:25,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-12-08 19:04:25,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 161. [2018-12-08 19:04:25,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-12-08 19:04:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 168 transitions. [2018-12-08 19:04:25,010 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 168 transitions. Word has length 18 [2018-12-08 19:04:25,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:25,010 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 168 transitions. [2018-12-08 19:04:25,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 19:04:25,010 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 168 transitions. [2018-12-08 19:04:25,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 19:04:25,011 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:25,011 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] [2018-12-08 19:04:25,011 INFO L423 AbstractCegarLoop]: === Iteration 4 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:25,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:25,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1562706099, now seen corresponding path program 1 times [2018-12-08 19:04:25,012 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:25,012 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:25,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:25,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:25,097 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 [2018-12-08 19:04:25,104 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:25,113 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 [2018-12-08 19:04:25,116 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 [2018-12-08 19:04:25,116 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:25,130 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:25,133 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:25,139 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 [2018-12-08 19:04:25,140 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-08 19:04:25,160 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 19:04:25,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 19:04:25,188 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. [2018-12-08 19:04:25,188 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-08 19:04:25,233 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 [2018-12-08 19:04:25,234 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:25,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 19:04:25,238 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:11 [2018-12-08 19:04:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:25,316 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:25,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:25,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-08 19:04:25,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 19:04:25,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 19:04:25,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-08 19:04:25,319 INFO L87 Difference]: Start difference. First operand 161 states and 168 transitions. Second operand 12 states. [2018-12-08 19:04:26,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:26,849 INFO L93 Difference]: Finished difference Result 245 states and 259 transitions. [2018-12-08 19:04:26,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 19:04:26,850 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-12-08 19:04:26,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:26,852 INFO L225 Difference]: With dead ends: 245 [2018-12-08 19:04:26,852 INFO L226 Difference]: Without dead ends: 242 [2018-12-08 19:04:26,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2018-12-08 19:04:26,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-12-08 19:04:26,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 164. [2018-12-08 19:04:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-12-08 19:04:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 171 transitions. [2018-12-08 19:04:26,861 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 171 transitions. Word has length 22 [2018-12-08 19:04:26,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:26,861 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 171 transitions. [2018-12-08 19:04:26,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 19:04:26,861 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 171 transitions. [2018-12-08 19:04:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 19:04:26,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:26,862 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] [2018-12-08 19:04:26,863 INFO L423 AbstractCegarLoop]: === Iteration 5 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:26,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:26,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1562706098, now seen corresponding path program 1 times [2018-12-08 19:04:26,864 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:26,864 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:26,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:26,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:26,970 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 [2018-12-08 19:04:26,974 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:26,982 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 [2018-12-08 19:04:26,986 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 [2018-12-08 19:04:26,986 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:27,010 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:27,015 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:27,021 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 [2018-12-08 19:04:27,022 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-08 19:04:27,051 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 19:04:27,079 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 19:04:27,114 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 [2018-12-08 19:04:27,119 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 [2018-12-08 19:04:27,119 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:27,123 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 19:04:27,144 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. [2018-12-08 19:04:27,144 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:83 [2018-12-08 19:04:28,077 WARN L854 $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 [2018-12-08 19:04:28,084 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:28,085 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:28,085 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 [2018-12-08 19:04:28,086 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:28,133 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:28,135 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 [2018-12-08 19:04:28,135 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:28,202 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 [2018-12-08 19:04:28,203 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-08 19:04:28,267 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:28,270 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:28,271 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:04:28,272 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 [2018-12-08 19:04:28,273 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:28,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 19:04:28,319 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:61, output treesize:28 [2018-12-08 19:04:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:28,362 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:28,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:28,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:04:28,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:04:28,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:04:28,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2018-12-08 19:04:28,365 INFO L87 Difference]: Start difference. First operand 164 states and 171 transitions. Second operand 9 states. [2018-12-08 19:04:34,794 WARN L180 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-12-08 19:04:37,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:37,500 INFO L93 Difference]: Finished difference Result 241 states and 255 transitions. [2018-12-08 19:04:37,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 19:04:37,501 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-12-08 19:04:37,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:37,501 INFO L225 Difference]: With dead ends: 241 [2018-12-08 19:04:37,502 INFO L226 Difference]: Without dead ends: 241 [2018-12-08 19:04:37,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=67, Invalid=141, Unknown=6, NotChecked=26, Total=240 [2018-12-08 19:04:37,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-12-08 19:04:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 163. [2018-12-08 19:04:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-12-08 19:04:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 170 transitions. [2018-12-08 19:04:37,506 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 170 transitions. Word has length 22 [2018-12-08 19:04:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:37,507 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 170 transitions. [2018-12-08 19:04:37,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:04:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 170 transitions. [2018-12-08 19:04:37,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 19:04:37,507 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:37,507 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] [2018-12-08 19:04:37,508 INFO L423 AbstractCegarLoop]: === Iteration 6 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:37,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:37,508 INFO L82 PathProgramCache]: Analyzing trace with hash -597815728, now seen corresponding path program 1 times [2018-12-08 19:04:37,508 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:37,508 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:37,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:37,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:37,555 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:37,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:37,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 19:04:37,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 19:04:37,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 19:04:37,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:04:37,557 INFO L87 Difference]: Start difference. First operand 163 states and 170 transitions. Second operand 5 states. [2018-12-08 19:04:37,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:37,576 INFO L93 Difference]: Finished difference Result 163 states and 169 transitions. [2018-12-08 19:04:37,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 19:04:37,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-08 19:04:37,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:37,577 INFO L225 Difference]: With dead ends: 163 [2018-12-08 19:04:37,577 INFO L226 Difference]: Without dead ends: 163 [2018-12-08 19:04:37,577 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:04:37,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-12-08 19:04:37,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-12-08 19:04:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-12-08 19:04:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 169 transitions. [2018-12-08 19:04:37,580 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 169 transitions. Word has length 24 [2018-12-08 19:04:37,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:37,580 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 169 transitions. [2018-12-08 19:04:37,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 19:04:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 169 transitions. [2018-12-08 19:04:37,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 19:04:37,580 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:37,581 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] [2018-12-08 19:04:37,581 INFO L423 AbstractCegarLoop]: === Iteration 7 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:37,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:37,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1103374353, now seen corresponding path program 1 times [2018-12-08 19:04:37,581 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:37,581 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:37,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:37,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:37,637 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:37,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:37,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:04:37,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:04:37,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:04:37,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:04:37,639 INFO L87 Difference]: Start difference. First operand 163 states and 169 transitions. Second operand 6 states. [2018-12-08 19:04:37,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:37,661 INFO L93 Difference]: Finished difference Result 163 states and 168 transitions. [2018-12-08 19:04:37,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:04:37,662 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-08 19:04:37,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:37,663 INFO L225 Difference]: With dead ends: 163 [2018-12-08 19:04:37,663 INFO L226 Difference]: Without dead ends: 155 [2018-12-08 19:04:37,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:04:37,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-12-08 19:04:37,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-12-08 19:04:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-08 19:04:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 160 transitions. [2018-12-08 19:04:37,666 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 160 transitions. Word has length 24 [2018-12-08 19:04:37,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:37,666 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 160 transitions. [2018-12-08 19:04:37,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:04:37,666 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 160 transitions. [2018-12-08 19:04:37,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 19:04:37,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:37,667 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] [2018-12-08 19:04:37,667 INFO L423 AbstractCegarLoop]: === Iteration 8 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:37,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:37,668 INFO L82 PathProgramCache]: Analyzing trace with hash -130787409, now seen corresponding path program 1 times [2018-12-08 19:04:37,668 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:37,668 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:37,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:37,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:37,757 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 [2018-12-08 19:04:37,757 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:37,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 19:04:37,758 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 19:04:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:37,784 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:37,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:37,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:04:37,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:04:37,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:04:37,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:04:37,787 INFO L87 Difference]: Start difference. First operand 155 states and 160 transitions. Second operand 7 states. [2018-12-08 19:04:38,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:38,287 INFO L93 Difference]: Finished difference Result 152 states and 157 transitions. [2018-12-08 19:04:38,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:04:38,287 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2018-12-08 19:04:38,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:38,288 INFO L225 Difference]: With dead ends: 152 [2018-12-08 19:04:38,288 INFO L226 Difference]: Without dead ends: 152 [2018-12-08 19:04:38,288 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 [2018-12-08 19:04:38,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-08 19:04:38,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-12-08 19:04:38,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-08 19:04:38,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 157 transitions. [2018-12-08 19:04:38,290 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 157 transitions. Word has length 36 [2018-12-08 19:04:38,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:38,290 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 157 transitions. [2018-12-08 19:04:38,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:04:38,291 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 157 transitions. [2018-12-08 19:04:38,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 19:04:38,291 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:38,291 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] [2018-12-08 19:04:38,291 INFO L423 AbstractCegarLoop]: === Iteration 9 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:38,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:38,292 INFO L82 PathProgramCache]: Analyzing trace with hash -130787408, now seen corresponding path program 1 times [2018-12-08 19:04:38,292 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:38,292 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:38,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:38,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:38,412 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 [2018-12-08 19:04:38,412 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:38,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 19:04:38,417 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 19:04:38,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:38,450 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:38,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:38,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 19:04:38,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:04:38,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:04:38,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:04:38,452 INFO L87 Difference]: Start difference. First operand 152 states and 157 transitions. Second operand 6 states. [2018-12-08 19:04:38,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:38,885 INFO L93 Difference]: Finished difference Result 149 states and 154 transitions. [2018-12-08 19:04:38,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:04:38,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-12-08 19:04:38,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:38,887 INFO L225 Difference]: With dead ends: 149 [2018-12-08 19:04:38,887 INFO L226 Difference]: Without dead ends: 149 [2018-12-08 19:04:38,887 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 [2018-12-08 19:04:38,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-12-08 19:04:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-12-08 19:04:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-12-08 19:04:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 154 transitions. [2018-12-08 19:04:38,889 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 154 transitions. Word has length 36 [2018-12-08 19:04:38,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:38,889 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 154 transitions. [2018-12-08 19:04:38,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:04:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 154 transitions. [2018-12-08 19:04:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 19:04:38,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:38,890 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] [2018-12-08 19:04:38,890 INFO L423 AbstractCegarLoop]: === Iteration 10 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:38,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:38,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1819847536, now seen corresponding path program 1 times [2018-12-08 19:04:38,890 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:38,891 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:38,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:38,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:38,952 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:38,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:38,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 19:04:38,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 19:04:38,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 19:04:38,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:04:38,954 INFO L87 Difference]: Start difference. First operand 149 states and 154 transitions. Second operand 5 states. [2018-12-08 19:04:38,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:38,974 INFO L93 Difference]: Finished difference Result 148 states and 153 transitions. [2018-12-08 19:04:38,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 19:04:38,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-12-08 19:04:38,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:38,975 INFO L225 Difference]: With dead ends: 148 [2018-12-08 19:04:38,975 INFO L226 Difference]: Without dead ends: 148 [2018-12-08 19:04:38,976 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 [2018-12-08 19:04:38,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-12-08 19:04:38,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-12-08 19:04:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-12-08 19:04:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 153 transitions. [2018-12-08 19:04:38,978 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 153 transitions. Word has length 40 [2018-12-08 19:04:38,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:38,978 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 153 transitions. [2018-12-08 19:04:38,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 19:04:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2018-12-08 19:04:38,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 19:04:38,979 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:38,979 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] [2018-12-08 19:04:38,979 INFO L423 AbstractCegarLoop]: === Iteration 11 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:38,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:38,979 INFO L82 PathProgramCache]: Analyzing trace with hash -580698607, now seen corresponding path program 1 times [2018-12-08 19:04:38,979 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:38,979 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:38,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:39,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:39,042 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:39,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:39,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:04:39,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:04:39,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:04:39,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:04:39,044 INFO L87 Difference]: Start difference. First operand 148 states and 153 transitions. Second operand 6 states. [2018-12-08 19:04:39,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:04:39,099 INFO L93 Difference]: Finished difference Result 148 states and 152 transitions. [2018-12-08 19:04:39,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:04:39,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-12-08 19:04:39,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:04:39,100 INFO L225 Difference]: With dead ends: 148 [2018-12-08 19:04:39,100 INFO L226 Difference]: Without dead ends: 148 [2018-12-08 19:04:39,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:04:39,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-12-08 19:04:39,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-12-08 19:04:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-12-08 19:04:39,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2018-12-08 19:04:39,103 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 41 [2018-12-08 19:04:39,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:04:39,103 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2018-12-08 19:04:39,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:04:39,103 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2018-12-08 19:04:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 19:04:39,103 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:04:39,103 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] [2018-12-08 19:04:39,104 INFO L423 AbstractCegarLoop]: === Iteration 12 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:04:39,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:04:39,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1751994197, now seen corresponding path program 1 times [2018-12-08 19:04:39,104 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:04:39,104 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:04:39,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:04:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:39,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:04:39,285 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 [2018-12-08 19:04:39,285 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:39,286 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 19:04:39,286 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 19:04:39,618 WARN L854 $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 [2018-12-08 19:04:39,620 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 [2018-12-08 19:04:39,620 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:39,622 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. [2018-12-08 19:04:39,622 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:6, output treesize:5 [2018-12-08 19:04:41,270 WARN L180 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2018-12-08 19:04:41,275 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 [2018-12-08 19:04:41,275 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:04:41,279 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. [2018-12-08 19:04:41,279 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-12-08 19:04:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:04:42,180 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:04:42,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:04:42,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:04:42,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:04:42,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:04:42,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=36, Unknown=5, NotChecked=12, Total=72 [2018-12-08 19:04:42,183 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 9 states. [2018-12-08 19:04:55,358 WARN L180 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-08 19:06:13,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:06:13,639 INFO L93 Difference]: Finished difference Result 159 states and 165 transitions. [2018-12-08 19:06:13,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:06:13,639 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2018-12-08 19:06:13,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:06:13,640 INFO L225 Difference]: With dead ends: 159 [2018-12-08 19:06:13,640 INFO L226 Difference]: Without dead ends: 159 [2018-12-08 19:06:13,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=42, Invalid=86, Unknown=8, NotChecked=20, Total=156 [2018-12-08 19:06:13,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-12-08 19:06:13,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 143. [2018-12-08 19:06:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-08 19:06:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2018-12-08 19:06:13,642 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 47 [2018-12-08 19:06:13,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:06:13,643 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2018-12-08 19:06:13,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:06:13,643 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-12-08 19:06:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 19:06:13,643 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:06:13,643 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] [2018-12-08 19:06:13,644 INFO L423 AbstractCegarLoop]: === Iteration 13 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:06:13,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:06:13,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1751994198, now seen corresponding path program 1 times [2018-12-08 19:06:13,645 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:06:13,645 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:06:13,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:06:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:13,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:06:13,850 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 [2018-12-08 19:06:13,850 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:06:13,857 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 [2018-12-08 19:06:13,857 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 19:06:13,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 19:06:13,862 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-12-08 19:06:14,755 WARN L854 $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 [2018-12-08 19:06:14,758 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 [2018-12-08 19:06:14,758 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:06:14,761 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 [2018-12-08 19:06:14,761 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 19:06:14,763 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 19:06:14,763 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2018-12-08 19:06:14,770 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:06:14,771 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 19:06:14,772 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 [2018-12-08 19:06:14,772 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 19:06:14,787 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 [2018-12-08 19:06:14,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 19:06:14,796 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 19:06:14,796 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:9 [2018-12-08 19:06:14,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:06:14,839 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:06:14,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:06:14,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:06:14,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:06:14,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:06:14,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2018-12-08 19:06:14,842 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand 9 states. [2018-12-08 19:06:15,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:06:15,451 INFO L93 Difference]: Finished difference Result 154 states and 160 transitions. [2018-12-08 19:06:15,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:06:15,451 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2018-12-08 19:06:15,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:06:15,452 INFO L225 Difference]: With dead ends: 154 [2018-12-08 19:06:15,452 INFO L226 Difference]: Without dead ends: 154 [2018-12-08 19:06:15,452 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=38, Invalid=75, Unknown=1, NotChecked=18, Total=132 [2018-12-08 19:06:15,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-12-08 19:06:15,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 138. [2018-12-08 19:06:15,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-08 19:06:15,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2018-12-08 19:06:15,454 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 47 [2018-12-08 19:06:15,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:06:15,455 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2018-12-08 19:06:15,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:06:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2018-12-08 19:06:15,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 19:06:15,455 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:06:15,455 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] [2018-12-08 19:06:15,456 INFO L423 AbstractCegarLoop]: === Iteration 14 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:06:15,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:06:15,456 INFO L82 PathProgramCache]: Analyzing trace with hash -938800566, now seen corresponding path program 1 times [2018-12-08 19:06:15,456 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:06:15,456 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:06:15,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:06:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:15,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:06:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:06:15,514 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:06:15,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:06:15,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 19:06:15,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 19:06:15,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 19:06:15,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 19:06:15,516 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand 4 states. [2018-12-08 19:06:15,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:06:15,520 INFO L93 Difference]: Finished difference Result 141 states and 145 transitions. [2018-12-08 19:06:15,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 19:06:15,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-12-08 19:06:15,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:06:15,521 INFO L225 Difference]: With dead ends: 141 [2018-12-08 19:06:15,521 INFO L226 Difference]: Without dead ends: 141 [2018-12-08 19:06:15,521 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 [2018-12-08 19:06:15,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-08 19:06:15,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-08 19:06:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-08 19:06:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 145 transitions. [2018-12-08 19:06:15,523 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 145 transitions. Word has length 51 [2018-12-08 19:06:15,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:06:15,523 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 145 transitions. [2018-12-08 19:06:15,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 19:06:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2018-12-08 19:06:15,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 19:06:15,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:06:15,524 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] [2018-12-08 19:06:15,524 INFO L423 AbstractCegarLoop]: === Iteration 15 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:06:15,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:06:15,524 INFO L82 PathProgramCache]: Analyzing trace with hash 25238894, now seen corresponding path program 1 times [2018-12-08 19:06:15,524 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:06:15,525 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:06:15,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:06:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:15,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:06:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:06:15,646 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:06:15,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:06:15,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 19:06:15,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 19:06:15,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 19:06:15,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:06:15,648 INFO L87 Difference]: Start difference. First operand 141 states and 145 transitions. Second operand 5 states. [2018-12-08 19:06:15,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:06:15,653 INFO L93 Difference]: Finished difference Result 138 states and 141 transitions. [2018-12-08 19:06:15,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 19:06:15,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2018-12-08 19:06:15,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:06:15,654 INFO L225 Difference]: With dead ends: 138 [2018-12-08 19:06:15,654 INFO L226 Difference]: Without dead ends: 138 [2018-12-08 19:06:15,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:06:15,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-08 19:06:15,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-08 19:06:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-08 19:06:15,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 141 transitions. [2018-12-08 19:06:15,658 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 141 transitions. Word has length 57 [2018-12-08 19:06:15,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:06:15,658 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 141 transitions. [2018-12-08 19:06:15,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 19:06:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 141 transitions. [2018-12-08 19:06:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 19:06:15,659 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:06:15,659 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] [2018-12-08 19:06:15,659 INFO L423 AbstractCegarLoop]: === Iteration 16 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, hid_open_reportErr11ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr9REQUIRES_VIOLATION, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION]=== [2018-12-08 19:06:15,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:06:15,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1528258878, now seen corresponding path program 1 times [2018-12-08 19:06:15,660 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 19:06:15,660 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/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 [2018-12-08 19:06:15,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:06:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:06:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:06:16,216 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 19:06:16,235 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# [2018-12-08 19:06:16,235 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# [2018-12-08 19:06:16,235 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# [2018-12-08 19:06:16,235 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# [2018-12-08 19:06:16,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:06:16 BoogieIcfgContainer [2018-12-08 19:06:16,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:06:16,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:06:16,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:06:16,244 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:06:16,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:04:23" (3/4) ... [2018-12-08 19:06:16,246 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 19:06:16,252 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# [2018-12-08 19:06:16,252 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# [2018-12-08 19:06:16,252 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# [2018-12-08 19:06:16,252 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# [2018-12-08 19:06:16,291 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_120a186a-6e08-4f4e-8b47-b785dc8f1716/bin-2019/uautomizer/witness.graphml [2018-12-08 19:06:16,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:06:16,292 INFO L168 Benchmark]: Toolchain (without parser) took 114803.72 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 264.2 MB). Free memory was 938.0 MB in the beginning and 1.2 GB in the end (delta: -216.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-12-08 19:06:16,292 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:06:16,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-12-08 19:06:16,293 INFO L168 Benchmark]: Boogie Preprocessor took 61.72 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-08 19:06:16,293 INFO L168 Benchmark]: RCFGBuilder took 1086.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 948.9 MB in the end (delta: 144.6 MB). Peak memory consumption was 144.6 MB. Max. memory is 11.5 GB. [2018-12-08 19:06:16,293 INFO L168 Benchmark]: TraceAbstraction took 113164.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.6 MB). Free memory was 948.9 MB in the beginning and 1.2 GB in the end (delta: -205.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:06:16,293 INFO L168 Benchmark]: Witness Printer took 47.14 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:06:16,294 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 440.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.72 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1086.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 948.9 MB in the end (delta: 144.6 MB). Peak memory consumption was 144.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 113164.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.6 MB). Free memory was 948.9 MB in the beginning and 1.2 GB in the end (delta: -205.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 47.14 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 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~~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# - 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# - 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# * 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={2:0}, ldv_global_msg_list={1:0}] [L1569] CALL entry_point() VAL [dev={2:0}, ldv_global_msg_list={1:0}] [L1562] CALL probe_23(&dev) VAL [dev={2:0}, dev={2:0}, ldv_global_msg_list={1:0}] [L1537] int ret = - -3; VAL [dev={2:0}, dev={2:0}, dev={2:0}, ldv_global_msg_list={1:0}, ret=3] [L1538] CALL, EXPR ldv_malloc(sizeof(struct hid_report_enum)) VAL [\old(size)=1036, dev={2:0}, ldv_global_msg_list={1:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=1036, \result={3:0}, dev={2:0}, ldv_global_msg_list={1:0}, malloc(size)={3:0}, size=1036] [L1538] RET, EXPR ldv_malloc(sizeof(struct hid_report_enum)) VAL [dev={2:0}, dev={2:0}, dev={2:0}, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct hid_report_enum))={3:0}, 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={2:0}, dev={2:0}, dev={2:0}, ldv_global_msg_list={1:0}, p={3:0}, ret=3] [L1541] CALL LDV_INIT_LIST_HEAD(&p->report_list) VAL [dev={2:0}, ldv_global_msg_list={1:0}, list={3:4}] [L1099] list->next = list VAL [dev={2:0}, ldv_global_msg_list={1:0}, list={3:4}, list={3:4}] [L1100] list->prev = list VAL [dev={2:0}, ldv_global_msg_list={1:0}, list={3:4}, list={3:4}] [L1541] RET LDV_INIT_LIST_HEAD(&p->report_list) VAL [dev={2:0}, dev={2:0}, dev={2:0}, ldv_global_msg_list={1:0}, p={3:0}, ret=3] [L1542] dev->report_enum = p VAL [dev={2:0}, dev={2:0}, dev={2:0}, ldv_global_msg_list={1:0}, p={3:0}, ret=3] [L1544] CALL hid_open_report(dev) VAL [dev={2:0}, device={2:0}, ldv_global_msg_list={1:0}] [L1504] struct hid_parser *parser; [L1505] struct hid_item item; VAL [dev={2:0}, device={2:0}, device={2:0}, item={6:0}, ldv_global_msg_list={1:0}] [L1506] CALL, EXPR ldv_zalloc(sizeof(struct hid_parser)) VAL [\old(size)=8, dev={2:0}, ldv_global_msg_list={1:0}] [L1081] EXPR, FCALL calloc(size, 1) VAL [\old(size)=8, calloc(size, 1)={-7:0}, dev={2:0}, ldv_global_msg_list={1:0}, size=8] [L1081] return calloc(size, 1); VAL [\old(size)=8, \result={-7:0}, calloc(size, 1)={-7:0}, dev={2:0}, ldv_global_msg_list={1:0}, size=8] [L1506] RET, EXPR ldv_zalloc(sizeof(struct hid_parser)) VAL [dev={2:0}, device={2:0}, device={2:0}, item={6:0}, ldv_global_msg_list={1:0}, ldv_zalloc(sizeof(struct hid_parser))={-7:0}] [L1506] parser = ldv_zalloc(sizeof(struct hid_parser)) [L1507] COND FALSE !(!parser) VAL [dev={2:0}, device={2:0}, device={2:0}, item={6:0}, ldv_global_msg_list={1:0}, parser={-7:0}] [L1510] parser->device = device VAL [dev={2:0}, device={2:0}, device={2:0}, item={6:0}, ldv_global_msg_list={1:0}, parser={-7:0}] [L1511] CALL, EXPR ldv_positive() VAL [dev={2:0}, ldv_global_msg_list={1:0}] [L1064] int r = __VERIFIER_nondet_int(); [L1065] COND TRUE r>0 [L1065] return r; VAL [\result=1, dev={2:0}, ldv_global_msg_list={1:0}, r=1] [L1511] RET, EXPR ldv_positive() VAL [dev={2:0}, device={2:0}, device={2:0}, item={6:0}, ldv_global_msg_list={1:0}, ldv_positive()=1, parser={-7:0}] [L1511] parser->report_id = ldv_positive() VAL [dev={2:0}, device={2:0}, device={2:0}, item={6:0}, ldv_global_msg_list={1:0}, ldv_positive()=1, parser={-7:0}] [L1517] CALL, EXPR fetch_item(&item) VAL [dev={2:0}, item={6:0}, ldv_global_msg_list={1:0}] [L1461] COND FALSE !(__VERIFIER_nondet_int()) [L1464] item->type = 0 VAL [dev={2:0}, item={6:0}, item={6:0}, ldv_global_msg_list={1:0}] [L1465] item->a = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={2:0}, item={6:0}, item={6:0}, ldv_global_msg_list={1:0}] [L1466] item->b = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={2:0}, item={6:0}, item={6:0}, ldv_global_msg_list={1:0}] [L1467] item->c = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={2:0}, item={6:0}, item={6:0}, ldv_global_msg_list={1:0}] [L1468] return 0; VAL [\result=0, dev={2:0}, item={6:0}, item={6:0}, ldv_global_msg_list={1:0}] [L1517] RET, EXPR fetch_item(&item) VAL [dev={2:0}, device={2:0}, device={2:0}, fetch_item(&item)=0, item={6:0}, ldv_global_msg_list={1:0}, parser={-7:0}] [L1517] COND TRUE fetch_item(&item)!=-1 [L1518] EXPR item.type VAL [dev={2:0}, device={2:0}, device={2:0}, item={6:0}, item.type=0, ldv_global_msg_list={1:0}, parser={-7:0}] [L1518] dispatch_type[item.type] VAL [dev={2:0}, device={2:0}, device={2:0}, item={6:0}, item.type=0, ldv_global_msg_list={1:0}, parser={-7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 52 procedures, 460 locations, 118 error locations. UNSAFE Result, 113.1s OverallTime, 16 OverallIterations, 1 TraceHistogramMax, 105.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2025 SDtfs, 1249 SDslu, 6105 SDs, 0 SdLazy, 3348 SolverSat, 240 SolverUnsat, 133 SolverUnknown, 0 SolverNotchecked, 94.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 518 GetRequests, 404 SyntacticMatches, 11 SemanticMatches, 103 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred 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: 0.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 204 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 559 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 486 ConstructedInterpolants, 36 QuantifiedInterpolants, 51563 SizeOfPredicates, 51 NumberOfNonLiveVariables, 2426 ConjunctsInSsa, 140 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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...