./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f650bb4f3da40725009dd8b6d69f0dc7e16289d0 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f650bb4f3da40725009dd8b6d69f0dc7e16289d0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 18:13:28,674 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:13:28,676 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:13:28,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:13:28,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:13:28,689 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:13:28,690 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:13:28,692 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:13:28,694 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:13:28,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:13:28,695 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:13:28,696 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:13:28,697 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:13:28,698 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:13:28,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:13:28,699 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:13:28,700 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:13:28,702 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:13:28,704 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:13:28,706 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:13:28,707 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:13:28,708 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:13:28,710 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:13:28,711 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:13:28,711 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:13:28,712 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:13:28,713 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:13:28,714 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:13:28,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:13:28,716 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:13:28,716 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:13:28,717 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:13:28,717 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:13:28,717 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:13:28,718 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:13:28,719 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:13:28,719 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 18:13:28,740 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:13:28,740 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:13:28,742 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:13:28,742 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:13:28,742 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:13:28,742 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:13:28,744 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:13:28,744 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:13:28,745 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:13:28,745 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:13:28,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:13:28,745 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:13:28,746 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:13:28,746 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:13:28,746 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:13:28,746 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:13:28,746 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:13:28,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:13:28,747 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:13:28,747 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:13:28,747 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:13:28,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:13:28,747 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:13:28,750 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:13:28,750 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 18:13:28,751 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:13:28,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f650bb4f3da40725009dd8b6d69f0dc7e16289d0 [2019-01-01 18:13:28,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:13:28,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:13:28,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:13:28,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:13:28,839 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:13:28,840 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2019-01-01 18:13:28,916 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb8fcd21/4aca641718964df3b439847006a7d754/FLAGc1ef1bdb1 [2019-01-01 18:13:29,513 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:13:29,514 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2019-01-01 18:13:29,543 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb8fcd21/4aca641718964df3b439847006a7d754/FLAGc1ef1bdb1 [2019-01-01 18:13:29,746 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb8fcd21/4aca641718964df3b439847006a7d754 [2019-01-01 18:13:29,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:13:29,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:13:29,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:13:29,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:13:29,756 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:13:29,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:13:29" (1/1) ... [2019-01-01 18:13:29,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7ba34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:29, skipping insertion in model container [2019-01-01 18:13:29,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:13:29" (1/1) ... [2019-01-01 18:13:29,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:13:29,834 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:13:30,472 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:13:30,476 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:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.postProcess(PostProcessor.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:567) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-01 18:13:30,485 INFO L168 Benchmark]: Toolchain (without parser) took 734.48 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 921.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-01 18:13:30,487 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:13:30,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.47 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 921.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-01 18:13:30,491 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 727.47 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 921.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NumberFormatException: Illegal leading minus sign on unsigned string -1234567. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NumberFormatException: Illegal leading minus sign on unsigned string -1234567.: java.lang.Integer.parseUnsignedInt(Integer.java:672) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2019-01-01 18:13:32,658 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:13:32,660 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:13:32,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:13:32,674 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:13:32,675 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:13:32,676 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:13:32,678 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:13:32,680 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:13:32,680 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:13:32,681 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:13:32,681 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:13:32,682 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:13:32,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:13:32,685 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:13:32,685 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:13:32,686 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:13:32,688 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:13:32,690 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:13:32,692 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:13:32,693 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:13:32,694 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:13:32,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:13:32,697 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:13:32,697 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:13:32,698 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:13:32,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:13:32,700 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:13:32,701 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:13:32,702 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:13:32,703 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:13:32,703 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:13:32,704 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:13:32,704 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:13:32,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:13:32,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:13:32,706 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-01 18:13:32,722 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:13:32,723 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:13:32,724 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:13:32,725 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:13:32,726 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:13:32,726 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:13:32,726 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:13:32,727 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:13:32,727 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:13:32,727 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:13:32,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:13:32,728 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:13:32,728 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:13:32,728 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:13:32,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:13:32,729 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 18:13:32,729 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 18:13:32,729 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:13:32,729 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:13:32,729 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:13:32,730 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:13:32,730 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:13:32,730 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:13:32,730 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:13:32,730 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:13:32,730 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:13:32,731 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 18:13:32,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:13:32,733 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 18:13:32,733 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f650bb4f3da40725009dd8b6d69f0dc7e16289d0 [2019-01-01 18:13:32,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:13:32,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:13:32,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:13:32,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:13:32,818 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:13:32,819 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2019-01-01 18:13:32,879 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5582ea98d/a064523dabe9471dabc9c55c665dbbaf/FLAGe87f24c9d [2019-01-01 18:13:33,466 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:13:33,466 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_2_false-valid-deref.i [2019-01-01 18:13:33,487 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5582ea98d/a064523dabe9471dabc9c55c665dbbaf/FLAGe87f24c9d [2019-01-01 18:13:33,712 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5582ea98d/a064523dabe9471dabc9c55c665dbbaf [2019-01-01 18:13:33,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:13:33,718 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:13:33,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:13:33,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:13:33,726 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:13:33,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:13:33" (1/1) ... [2019-01-01 18:13:33,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80bd2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:33, skipping insertion in model container [2019-01-01 18:13:33,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:13:33" (1/1) ... [2019-01-01 18:13:33,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:13:33,799 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:13:34,416 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:13:34,545 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:13:34,653 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:13:34,764 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:13:34,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:34 WrapperNode [2019-01-01 18:13:34,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:13:34,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:13:34,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:13:34,765 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:13:34,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:34" (1/1) ... [2019-01-01 18:13:34,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:34" (1/1) ... [2019-01-01 18:13:34,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:34" (1/1) ... [2019-01-01 18:13:34,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:34" (1/1) ... [2019-01-01 18:13:34,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:34" (1/1) ... [2019-01-01 18:13:34,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:34" (1/1) ... [2019-01-01 18:13:34,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:34" (1/1) ... [2019-01-01 18:13:34,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:13:34,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:13:34,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:13:34,914 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:13:34,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:13:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:13:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:13:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:13:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-01-01 18:13:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:13:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:13:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:13:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:13:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:13:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:13:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:13:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:13:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:13:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:13:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:13:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:13:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:13:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:13:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:13:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:13:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:13:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:13:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:13:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:13:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:13:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:13:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:13:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:13:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:13:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:13:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:13:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:13:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:13:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:13:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:13:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:13:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:13:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:13:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:13:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure fetch_item [2019-01-01 18:13:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_register_report [2019-01-01 18:13:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parser_main [2019-01-01 18:13:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure free_reports [2019-01-01 18:13:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2019-01-01 18:13:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_device [2019-01-01 18:13:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_23 [2019-01-01 18:13:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_23 [2019-01-01 18:13:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:13:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:13:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:13:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:13:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:13:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:13:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:13:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:13:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:13:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:13:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:13:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:13:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:13:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:13:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:13:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:13:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:13:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:13:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:13:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:13:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:13:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:13:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:13:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:13:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:13:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:13:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:13:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:13:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:13:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:13:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:13:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:13:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:13:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:13:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:13:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:13:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:13:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:13:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:13:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:13:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:13:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:13:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:13:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:13:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:13:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:13:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:13:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:13:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:13:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:13:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:13:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:13:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:13:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:13:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:13:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:13:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:13:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:13:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:13:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:13:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:13:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:13:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:13:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:13:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:13:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:13:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:13:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:13:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:13:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:13:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:13:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:13:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:13:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:13:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:13:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:13:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:13:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:13:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:13:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:13:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:13:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:13:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:13:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:13:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:13:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:13:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:13:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:13:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:13:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:13:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:13:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:13:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:13:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:13:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:13:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:13:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:13:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:13:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:13:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:13:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:13:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:13:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:13:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:13:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:13:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:13:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:13:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:13:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:13:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:13:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:13:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:13:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:13:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:13:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:13:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:13:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:13:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:13:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:13:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:13:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:13:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:13:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:13:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:13:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:13:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:13:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:13:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:13:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:13:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:13:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:13:35,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:13:35,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:13:35,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:13:35,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:13:35,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:13:35,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-01 18:13:35,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-01 18:13:35,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:13:35,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:13:35,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:13:35,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:13:35,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:13:35,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:13:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:13:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:13:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:13:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:13:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:13:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:13:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:13:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:13:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:13:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:13:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:13:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure fetch_item [2019-01-01 18:13:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure hid_register_report [2019-01-01 18:13:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parser_main [2019-01-01 18:13:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure free_reports [2019-01-01 18:13:35,035 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2019-01-01 18:13:35,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:13:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-01-01 18:13:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_device [2019-01-01 18:13:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure probe_23 [2019-01-01 18:13:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_23 [2019-01-01 18:13:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:13:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:13:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:13:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:13:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:13:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:13:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:13:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-01 18:13:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-01 18:13:35,959 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:13:37,559 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:13:38,968 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:13:38,968 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-01 18:13:38,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:13:38 BoogieIcfgContainer [2019-01-01 18:13:38,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:13:38,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:13:38,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:13:38,979 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:13:38,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:13:33" (1/3) ... [2019-01-01 18:13:38,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@901af3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:13:38, skipping insertion in model container [2019-01-01 18:13:38,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:13:34" (2/3) ... [2019-01-01 18:13:38,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@901af3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:13:38, skipping insertion in model container [2019-01-01 18:13:38,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:13:38" (3/3) ... [2019-01-01 18:13:38,986 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test23_2_false-valid-deref.i [2019-01-01 18:13:38,997 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:13:39,010 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 127 error locations. [2019-01-01 18:13:39,029 INFO L257 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2019-01-01 18:13:39,053 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:13:39,053 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:13:39,054 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:13:39,054 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:13:39,054 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:13:39,054 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:13:39,054 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:13:39,054 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:13:39,055 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:13:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states. [2019-01-01 18:13:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 18:13:39,096 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:13:39,097 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:13:39,101 INFO L423 AbstractCegarLoop]: === Iteration 1 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:13:39,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:13:39,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1740158053, now seen corresponding path program 1 times [2019-01-01 18:13:39,115 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:13:39,116 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:13:39,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:13:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:13:39,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:13:39,312 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:13:39,315 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:13:39,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:13:39,342 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:13:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:13:39,722 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2019-01-01 18:13:39,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:13:39,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:13:39,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 18:13:39,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 18:13:39,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:13:39,759 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 7 states. [2019-01-01 18:13:41,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:13:41,240 INFO L93 Difference]: Finished difference Result 189 states and 198 transitions. [2019-01-01 18:13:41,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:13:41,243 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-01-01 18:13:41,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:13:41,261 INFO L225 Difference]: With dead ends: 189 [2019-01-01 18:13:41,261 INFO L226 Difference]: Without dead ends: 186 [2019-01-01 18:13:41,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:13:41,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-01-01 18:13:41,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 178. [2019-01-01 18:13:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-01-01 18:13:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 188 transitions. [2019-01-01 18:13:41,323 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 188 transitions. Word has length 18 [2019-01-01 18:13:41,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:13:41,323 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 188 transitions. [2019-01-01 18:13:41,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 18:13:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 188 transitions. [2019-01-01 18:13:41,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 18:13:41,325 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:13:41,325 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:13:41,326 INFO L423 AbstractCegarLoop]: === Iteration 2 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:13:41,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:13:41,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1740158052, now seen corresponding path program 1 times [2019-01-01 18:13:41,327 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:13:41,327 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:13:41,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:13:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:13:41,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:13:41,454 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:13:41,454 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:13:41,465 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:13:41,466 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 18:13:41,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:13:41,615 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:13:41,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:13:41,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:13:41,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:13:41,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:13:41,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:13:41,626 INFO L87 Difference]: Start difference. First operand 178 states and 188 transitions. Second operand 8 states. [2019-01-01 18:13:42,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:13:42,790 INFO L93 Difference]: Finished difference Result 184 states and 193 transitions. [2019-01-01 18:13:42,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:13:42,792 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-01-01 18:13:42,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:13:42,796 INFO L225 Difference]: With dead ends: 184 [2019-01-01 18:13:42,796 INFO L226 Difference]: Without dead ends: 184 [2019-01-01 18:13:42,797 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 [2019-01-01 18:13:42,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-01-01 18:13:42,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2019-01-01 18:13:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-01-01 18:13:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 186 transitions. [2019-01-01 18:13:42,813 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 186 transitions. Word has length 18 [2019-01-01 18:13:42,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:13:42,813 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 186 transitions. [2019-01-01 18:13:42,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:13:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 186 transitions. [2019-01-01 18:13:42,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 18:13:42,814 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:13:42,814 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:13:42,817 INFO L423 AbstractCegarLoop]: === Iteration 3 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:13:42,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:13:42,820 INFO L82 PathProgramCache]: Analyzing trace with hash 2652282, now seen corresponding path program 1 times [2019-01-01 18:13:42,820 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:13:42,821 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:13:42,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:13:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:13:42,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:13:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:13:43,217 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:13:43,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:13:43,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:13:43,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:13:43,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:13:43,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:13:43,220 INFO L87 Difference]: Start difference. First operand 178 states and 186 transitions. Second operand 5 states. [2019-01-01 18:13:43,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:13:43,324 INFO L93 Difference]: Finished difference Result 171 states and 178 transitions. [2019-01-01 18:13:43,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:13:43,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-01-01 18:13:43,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:13:43,327 INFO L225 Difference]: With dead ends: 171 [2019-01-01 18:13:43,327 INFO L226 Difference]: Without dead ends: 171 [2019-01-01 18:13:43,328 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:13:43,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-01 18:13:43,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2019-01-01 18:13:43,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-01-01 18:13:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 176 transitions. [2019-01-01 18:13:43,340 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 176 transitions. Word has length 18 [2019-01-01 18:13:43,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:13:43,341 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 176 transitions. [2019-01-01 18:13:43,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:13:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 176 transitions. [2019-01-01 18:13:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-01 18:13:43,343 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:13:43,343 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:13:43,345 INFO L423 AbstractCegarLoop]: === Iteration 4 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:13:43,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:13:43,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1179333021, now seen corresponding path program 1 times [2019-01-01 18:13:43,345 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:13:43,345 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:13:43,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:13:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:13:43,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:13:43,504 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:13:43,570 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:43,617 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-01 18:13:43,623 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-01 18:13:43,623 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:13:43,652 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:43,657 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:43,668 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-01 18:13:43,669 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-01 18:13:43,701 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:13:43,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:13:43,790 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-01 18:13:43,791 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-01 18:13:43,961 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2019-01-01 18:13:43,962 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:13:43,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:13:43,970 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:11 [2019-01-01 18:13:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:13:44,147 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:13:44,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:13:44,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-01 18:13:44,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-01 18:13:44,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-01 18:13:44,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-01-01 18:13:44,152 INFO L87 Difference]: Start difference. First operand 169 states and 176 transitions. Second operand 12 states. [2019-01-01 18:13:49,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:13:49,119 INFO L93 Difference]: Finished difference Result 261 states and 275 transitions. [2019-01-01 18:13:49,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-01 18:13:49,120 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2019-01-01 18:13:49,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:13:49,125 INFO L225 Difference]: With dead ends: 261 [2019-01-01 18:13:49,125 INFO L226 Difference]: Without dead ends: 258 [2019-01-01 18:13:49,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2019-01-01 18:13:49,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2019-01-01 18:13:49,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 172. [2019-01-01 18:13:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-01-01 18:13:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 179 transitions. [2019-01-01 18:13:49,139 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 179 transitions. Word has length 22 [2019-01-01 18:13:49,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:13:49,140 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 179 transitions. [2019-01-01 18:13:49,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-01 18:13:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 179 transitions. [2019-01-01 18:13:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-01 18:13:49,142 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:13:49,142 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:13:49,143 INFO L423 AbstractCegarLoop]: === Iteration 5 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:13:49,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:13:49,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1179333022, now seen corresponding path program 1 times [2019-01-01 18:13:49,147 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:13:49,147 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:13:49,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:13:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:13:49,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:13:49,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:13:49,332 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:49,347 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-01 18:13:49,355 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-01 18:13:49,356 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:13:49,406 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:49,414 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:49,426 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-01 18:13:49,427 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-01 18:13:49,480 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:13:49,528 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:13:49,586 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-01 18:13:49,592 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-01 18:13:49,593 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-01 18:13:49,608 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:13:49,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-01 18:13:49,657 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:83 [2019-01-01 18:13:49,883 WARN L181 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2019-01-01 18:13:51,354 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-01 18:13:51,366 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:51,368 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:51,369 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2019-01-01 18:13:51,370 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:13:51,447 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:51,451 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2019-01-01 18:13:51,452 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:13:51,551 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2019-01-01 18:13:51,552 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-01 18:13:51,629 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:51,633 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:51,634 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:13:51,635 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2019-01-01 18:13:51,636 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:13:51,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-01 18:13:51,720 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:61, output treesize:28 [2019-01-01 18:13:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:13:51,848 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:13:51,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:13:51,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:13:51,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:13:51,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:13:51,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-01 18:13:51,855 INFO L87 Difference]: Start difference. First operand 172 states and 179 transitions. Second operand 9 states. [2019-01-01 18:13:52,106 WARN L181 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-01-01 18:13:52,276 WARN L181 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-01-01 18:14:02,379 WARN L181 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 18:14:04,797 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-01-01 18:14:06,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:14:06,991 INFO L93 Difference]: Finished difference Result 257 states and 271 transitions. [2019-01-01 18:14:06,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-01 18:14:06,993 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-01-01 18:14:06,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:14:06,996 INFO L225 Difference]: With dead ends: 257 [2019-01-01 18:14:06,996 INFO L226 Difference]: Without dead ends: 257 [2019-01-01 18:14:06,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=67, Invalid=141, Unknown=6, NotChecked=26, Total=240 [2019-01-01 18:14:06,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-01-01 18:14:07,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 171. [2019-01-01 18:14:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-01 18:14:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 178 transitions. [2019-01-01 18:14:07,008 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 178 transitions. Word has length 22 [2019-01-01 18:14:07,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:14:07,009 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 178 transitions. [2019-01-01 18:14:07,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:14:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 178 transitions. [2019-01-01 18:14:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:14:07,011 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:14:07,011 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, 1, 1] [2019-01-01 18:14:07,012 INFO L423 AbstractCegarLoop]: === Iteration 6 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:14:07,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:14:07,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1459613168, now seen corresponding path program 1 times [2019-01-01 18:14:07,016 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:14:07,016 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:14:07,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:14:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:14:07,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:14:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:14:07,161 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:14:07,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:14:07,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:14:07,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:14:07,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:14:07,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:14:07,165 INFO L87 Difference]: Start difference. First operand 171 states and 178 transitions. Second operand 5 states. [2019-01-01 18:14:07,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:14:07,290 INFO L93 Difference]: Finished difference Result 171 states and 177 transitions. [2019-01-01 18:14:07,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:14:07,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-01 18:14:07,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:14:07,293 INFO L225 Difference]: With dead ends: 171 [2019-01-01 18:14:07,294 INFO L226 Difference]: Without dead ends: 171 [2019-01-01 18:14:07,294 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 [2019-01-01 18:14:07,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-01 18:14:07,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-01-01 18:14:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-01 18:14:07,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 177 transitions. [2019-01-01 18:14:07,302 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 177 transitions. Word has length 24 [2019-01-01 18:14:07,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:14:07,302 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 177 transitions. [2019-01-01 18:14:07,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:14:07,302 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 177 transitions. [2019-01-01 18:14:07,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:14:07,305 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:14:07,305 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:14:07,307 INFO L423 AbstractCegarLoop]: === Iteration 7 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:14:07,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:14:07,307 INFO L82 PathProgramCache]: Analyzing trace with hash 954054543, now seen corresponding path program 1 times [2019-01-01 18:14:07,311 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:14:07,311 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:14:07,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:14:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:14:07,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:14:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:14:07,436 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:14:07,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:14:07,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:14:07,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:14:07,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:14:07,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:14:07,441 INFO L87 Difference]: Start difference. First operand 171 states and 177 transitions. Second operand 6 states. [2019-01-01 18:14:07,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:14:07,473 INFO L93 Difference]: Finished difference Result 171 states and 176 transitions. [2019-01-01 18:14:07,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:14:07,475 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-01 18:14:07,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:14:07,476 INFO L225 Difference]: With dead ends: 171 [2019-01-01 18:14:07,477 INFO L226 Difference]: Without dead ends: 163 [2019-01-01 18:14:07,477 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 [2019-01-01 18:14:07,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-01-01 18:14:07,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2019-01-01 18:14:07,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-01-01 18:14:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 168 transitions. [2019-01-01 18:14:07,485 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 168 transitions. Word has length 24 [2019-01-01 18:14:07,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:14:07,486 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 168 transitions. [2019-01-01 18:14:07,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:14:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 168 transitions. [2019-01-01 18:14:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-01 18:14:07,488 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:14:07,492 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:14:07,493 INFO L423 AbstractCegarLoop]: === Iteration 8 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:14:07,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:14:07,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1151181193, now seen corresponding path program 1 times [2019-01-01 18:14:07,494 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:14:07,494 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:14:07,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:14:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:14:07,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:14:07,673 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:14:07,673 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:07,675 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:14:07,675 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:14:07,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:14:07,732 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:14:07,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:14:07,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:14:07,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 18:14:07,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 18:14:07,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:14:07,737 INFO L87 Difference]: Start difference. First operand 163 states and 168 transitions. Second operand 7 states. [2019-01-01 18:14:08,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:14:08,707 INFO L93 Difference]: Finished difference Result 160 states and 165 transitions. [2019-01-01 18:14:08,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 18:14:08,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-01-01 18:14:08,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:14:08,709 INFO L225 Difference]: With dead ends: 160 [2019-01-01 18:14:08,709 INFO L226 Difference]: Without dead ends: 160 [2019-01-01 18:14:08,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:14:08,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-01-01 18:14:08,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-01-01 18:14:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-01-01 18:14:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2019-01-01 18:14:08,717 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 36 [2019-01-01 18:14:08,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:14:08,718 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2019-01-01 18:14:08,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 18:14:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2019-01-01 18:14:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-01 18:14:08,719 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:14:08,719 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:14:08,722 INFO L423 AbstractCegarLoop]: === Iteration 9 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:14:08,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:14:08,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1151181192, now seen corresponding path program 1 times [2019-01-01 18:14:08,722 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:14:08,726 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:14:08,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:14:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:14:08,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:14:08,929 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:14:08,929 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:08,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:14:08,951 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 18:14:09,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:14:09,018 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:14:09,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:14:09,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:14:09,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:14:09,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:14:09,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:14:09,022 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 6 states. [2019-01-01 18:14:09,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:14:09,713 INFO L93 Difference]: Finished difference Result 157 states and 162 transitions. [2019-01-01 18:14:09,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:14:09,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-01-01 18:14:09,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:14:09,716 INFO L225 Difference]: With dead ends: 157 [2019-01-01 18:14:09,716 INFO L226 Difference]: Without dead ends: 157 [2019-01-01 18:14:09,717 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:14:09,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-01-01 18:14:09,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-01-01 18:14:09,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-01-01 18:14:09,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 162 transitions. [2019-01-01 18:14:09,725 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 162 transitions. Word has length 36 [2019-01-01 18:14:09,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:14:09,730 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 162 transitions. [2019-01-01 18:14:09,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:14:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2019-01-01 18:14:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-01 18:14:09,731 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:14:09,732 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:14:09,732 INFO L423 AbstractCegarLoop]: === Iteration 10 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:14:09,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:14:09,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1871006668, now seen corresponding path program 1 times [2019-01-01 18:14:09,733 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:14:09,733 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:14:09,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:14:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:14:09,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:14:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:14:09,904 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:14:09,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:14:09,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:14:09,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:14:09,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:14:09,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:14:09,915 INFO L87 Difference]: Start difference. First operand 157 states and 162 transitions. Second operand 5 states. [2019-01-01 18:14:09,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:14:09,976 INFO L93 Difference]: Finished difference Result 156 states and 161 transitions. [2019-01-01 18:14:09,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:14:09,976 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-01-01 18:14:09,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:14:09,978 INFO L225 Difference]: With dead ends: 156 [2019-01-01 18:14:09,978 INFO L226 Difference]: Without dead ends: 156 [2019-01-01 18:14:09,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:14:09,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-01-01 18:14:09,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-01-01 18:14:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-01-01 18:14:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 161 transitions. [2019-01-01 18:14:09,982 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 161 transitions. Word has length 40 [2019-01-01 18:14:09,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:14:09,986 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 161 transitions. [2019-01-01 18:14:09,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:14:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2019-01-01 18:14:09,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-01 18:14:09,992 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:14:09,992 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:14:09,993 INFO L423 AbstractCegarLoop]: === Iteration 11 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:14:09,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:14:09,993 INFO L82 PathProgramCache]: Analyzing trace with hash -2128335273, now seen corresponding path program 1 times [2019-01-01 18:14:09,993 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:14:09,993 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:14:10,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:14:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:14:10,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:14:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:14:10,313 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (12)] Exception during sending of exit command (exit): Broken pipe [2019-01-01 18:14:10,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:14:10,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:14:10,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:14:10,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:14:10,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:14:10,316 INFO L87 Difference]: Start difference. First operand 156 states and 161 transitions. Second operand 6 states. [2019-01-01 18:14:10,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:14:10,464 INFO L93 Difference]: Finished difference Result 156 states and 160 transitions. [2019-01-01 18:14:10,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:14:10,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2019-01-01 18:14:10,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:14:10,468 INFO L225 Difference]: With dead ends: 156 [2019-01-01 18:14:10,468 INFO L226 Difference]: Without dead ends: 156 [2019-01-01 18:14:10,468 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:14:10,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-01-01 18:14:10,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-01-01 18:14:10,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-01-01 18:14:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions. [2019-01-01 18:14:10,475 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 41 [2019-01-01 18:14:10,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:14:10,475 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions. [2019-01-01 18:14:10,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:14:10,475 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2019-01-01 18:14:10,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-01 18:14:10,480 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:14:10,480 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:14:10,481 INFO L423 AbstractCegarLoop]: === Iteration 12 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:14:10,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:14:10,481 INFO L82 PathProgramCache]: Analyzing trace with hash -232859740, now seen corresponding path program 1 times [2019-01-01 18:14:10,482 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:14:10,482 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:14:10,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:14:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:14:10,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:14:10,757 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 [2019-01-01 18:14:10,758 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:10,773 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:14:10,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:10,781 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:14:10,782 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-01 18:14:12,822 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc13.base| (_ BitVec 32)) (ldv_zalloc_~size (_ BitVec 32))) (and (= (select |c_old(#valid)| |ldv_zalloc_#t~malloc13.base|) (_ bv0 1)) (= |c_#length| (store |c_old(#length)| |ldv_zalloc_#t~malloc13.base| ldv_zalloc_~size)))) is different from true [2019-01-01 18:14:12,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:14:12,829 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:12,838 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-01 18:14:12,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:12,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:14:12,842 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2019-01-01 18:14:12,851 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:14:12,853 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:14:12,854 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2019-01-01 18:14:12,855 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:12,878 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:14:12,879 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:12,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:14:12,895 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:9 [2019-01-01 18:14:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:14:12,962 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:14:12,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:14:12,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:14:12,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:14:12,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:14:12,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-01 18:14:12,965 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 9 states. [2019-01-01 18:14:14,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:14:14,246 INFO L93 Difference]: Finished difference Result 171 states and 177 transitions. [2019-01-01 18:14:14,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:14:14,247 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2019-01-01 18:14:14,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:14:14,249 INFO L225 Difference]: With dead ends: 171 [2019-01-01 18:14:14,249 INFO L226 Difference]: Without dead ends: 171 [2019-01-01 18:14:14,250 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=38, Invalid=75, Unknown=1, NotChecked=18, Total=132 [2019-01-01 18:14:14,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-01 18:14:14,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 151. [2019-01-01 18:14:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-01-01 18:14:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2019-01-01 18:14:14,256 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 47 [2019-01-01 18:14:14,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:14:14,258 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2019-01-01 18:14:14,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:14:14,260 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2019-01-01 18:14:14,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-01 18:14:14,260 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:14:14,261 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:14:14,261 INFO L423 AbstractCegarLoop]: === Iteration 13 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:14:14,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:14:14,262 INFO L82 PathProgramCache]: Analyzing trace with hash -232859741, now seen corresponding path program 1 times [2019-01-01 18:14:14,262 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:14:14,267 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:14:14,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:14:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:14:14,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:14:14,512 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:14:14,512 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:14,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:14:14,515 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:14:15,007 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc13.base| (_ BitVec 32))) (= |c_#valid| (store |c_old(#valid)| |ldv_zalloc_#t~malloc13.base| (_ bv1 1)))) is different from true [2019-01-01 18:14:15,010 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:14:15,010 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:15,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-01 18:14:15,013 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:6, output treesize:5 [2019-01-01 18:14:17,510 WARN L181 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2019-01-01 18:14:17,537 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2019-01-01 18:14:17,538 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:14:17,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-01 18:14:17,544 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2019-01-01 18:14:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:14:18,842 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:14:18,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:14:18,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:14:18,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:14:18,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:14:18,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=36, Unknown=5, NotChecked=12, Total=72 [2019-01-01 18:14:18,845 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand 9 states. [2019-01-01 18:14:35,885 WARN L181 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 18:16:30,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:16:30,696 INFO L93 Difference]: Finished difference Result 166 states and 172 transitions. [2019-01-01 18:16:30,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:16:30,696 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2019-01-01 18:16:30,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:16:30,698 INFO L225 Difference]: With dead ends: 166 [2019-01-01 18:16:30,698 INFO L226 Difference]: Without dead ends: 166 [2019-01-01 18:16:30,698 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=42, Invalid=86, Unknown=8, NotChecked=20, Total=156 [2019-01-01 18:16:30,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-01-01 18:16:30,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 146. [2019-01-01 18:16:30,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-01-01 18:16:30,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2019-01-01 18:16:30,704 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 47 [2019-01-01 18:16:30,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:16:30,705 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2019-01-01 18:16:30,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:16:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2019-01-01 18:16:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-01 18:16:30,708 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:16:30,708 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:16:30,709 INFO L423 AbstractCegarLoop]: === Iteration 14 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:16:30,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:16:30,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1844700432, now seen corresponding path program 1 times [2019-01-01 18:16:30,710 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:16:30,710 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:16:30,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:16:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:16:30,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:16:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:16:31,335 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:16:31,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:16:31,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:16:31,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 18:16:31,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 18:16:31,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:16:31,338 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 7 states. [2019-01-01 18:16:31,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:16:31,774 INFO L93 Difference]: Finished difference Result 145 states and 149 transitions. [2019-01-01 18:16:31,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 18:16:31,776 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-01-01 18:16:31,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:16:31,777 INFO L225 Difference]: With dead ends: 145 [2019-01-01 18:16:31,778 INFO L226 Difference]: Without dead ends: 145 [2019-01-01 18:16:31,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:16:31,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-01-01 18:16:31,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-01-01 18:16:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-01-01 18:16:31,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 149 transitions. [2019-01-01 18:16:31,783 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 149 transitions. Word has length 51 [2019-01-01 18:16:31,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:16:31,786 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 149 transitions. [2019-01-01 18:16:31,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 18:16:31,786 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 149 transitions. [2019-01-01 18:16:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-01 18:16:31,787 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:16:31,787 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:16:31,788 INFO L423 AbstractCegarLoop]: === Iteration 15 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:16:31,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:16:31,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1844698988, now seen corresponding path program 1 times [2019-01-01 18:16:31,791 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:16:31,792 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:16:31,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:16:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:16:31,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:16:31,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:16:31,926 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (16)] Exception during sending of exit command (exit): Broken pipe [2019-01-01 18:16:31,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:16:31,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:16:31,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:16:31,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:16:31,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:16:31,930 INFO L87 Difference]: Start difference. First operand 145 states and 149 transitions. Second operand 4 states. [2019-01-01 18:16:31,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:16:31,941 INFO L93 Difference]: Finished difference Result 148 states and 152 transitions. [2019-01-01 18:16:31,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 18:16:31,942 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-01-01 18:16:31,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:16:31,943 INFO L225 Difference]: With dead ends: 148 [2019-01-01 18:16:31,943 INFO L226 Difference]: Without dead ends: 148 [2019-01-01 18:16:31,944 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:16:31,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-01-01 18:16:31,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-01-01 18:16:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-01-01 18:16:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2019-01-01 18:16:31,951 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 51 [2019-01-01 18:16:31,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:16:31,951 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2019-01-01 18:16:31,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:16:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2019-01-01 18:16:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-01 18:16:31,956 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:16:31,956 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:16:31,960 INFO L423 AbstractCegarLoop]: === Iteration 16 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:16:31,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:16:31,960 INFO L82 PathProgramCache]: Analyzing trace with hash -343051838, now seen corresponding path program 1 times [2019-01-01 18:16:31,960 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:16:31,961 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:16:31,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:16:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:16:32,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:16:32,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:16:32,191 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:16:32,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:16:32,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:16:32,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:16:32,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:16:32,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:16:32,194 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 5 states. [2019-01-01 18:16:32,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:16:32,205 INFO L93 Difference]: Finished difference Result 143 states and 146 transitions. [2019-01-01 18:16:32,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:16:32,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-01-01 18:16:32,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:16:32,207 INFO L225 Difference]: With dead ends: 143 [2019-01-01 18:16:32,207 INFO L226 Difference]: Without dead ends: 143 [2019-01-01 18:16:32,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:16:32,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-01-01 18:16:32,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-01-01 18:16:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-01-01 18:16:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 146 transitions. [2019-01-01 18:16:32,217 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 146 transitions. Word has length 58 [2019-01-01 18:16:32,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:16:32,218 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 146 transitions. [2019-01-01 18:16:32,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:16:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 146 transitions. [2019-01-01 18:16:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-01 18:16:32,218 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:16:32,218 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:16:32,219 INFO L423 AbstractCegarLoop]: === Iteration 17 === [fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-01 18:16:32,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:16:32,220 INFO L82 PathProgramCache]: Analyzing trace with hash 2056162100, now seen corresponding path program 1 times [2019-01-01 18:16:32,220 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:16:32,220 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:16:32,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:16:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:16:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:16:33,066 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:16:33,133 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-01 18:16:33,135 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:16:33,135 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:16:33,135 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-01 18:16:33,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:16:33 BoogieIcfgContainer [2019-01-01 18:16:33,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:16:33,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:16:33,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:16:33,181 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:16:33,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:13:38" (3/4) ... [2019-01-01 18:16:33,191 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-01 18:16:33,212 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:16:33,216 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:16:33,216 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-01 18:16:33,216 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-01 18:16:33,382 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 18:16:33,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:16:33,383 INFO L168 Benchmark]: Toolchain (without parser) took 179666.01 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 289.9 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -211.9 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. [2019-01-01 18:16:33,384 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:16:33,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1044.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-01-01 18:16:33,388 INFO L168 Benchmark]: Boogie Preprocessor took 147.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-01 18:16:33,388 INFO L168 Benchmark]: RCFGBuilder took 4060.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 932.2 MB in the end (delta: 136.3 MB). Peak memory consumption was 136.3 MB. Max. memory is 11.5 GB. [2019-01-01 18:16:33,389 INFO L168 Benchmark]: TraceAbstraction took 174205.76 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 932.2 MB in the beginning and 1.2 GB in the end (delta: -232.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:16:33,389 INFO L168 Benchmark]: Witness Printer took 201.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-01-01 18:16:33,395 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1044.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 147.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4060.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 932.2 MB in the end (delta: 136.3 MB). Peak memory consumption was 136.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 174205.76 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 932.2 MB in the beginning and 1.2 GB in the end (delta: -232.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 201.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1518]: array index can be out of bounds array index can be out of bounds We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1559] struct hid_device dev; VAL [\old(dev)=null, \old(dev)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}] [L1569] CALL entry_point() VAL [dev={908105257:0}, ldv_global_msg_list={-1266278871:0}] [L1562] CALL probe_23(&dev) VAL [dev={908105257:0}, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}] [L1537] int ret = - -3; VAL [dev={908105257:0}, dev={908105257:0}, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, ret=3] [L1538] CALL, EXPR ldv_malloc(sizeof(struct hid_report_enum)) VAL [\old(size)=1036, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=1036, \result={2084577748:0}, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, malloc(size)={2084577748:0}, size=1036] [L1538] RET, EXPR ldv_malloc(sizeof(struct hid_report_enum)) VAL [dev={908105257:0}, dev={908105257:0}, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, ldv_malloc(sizeof(struct hid_report_enum))={2084577748:0}, 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={908105257:0}, dev={908105257:0}, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, p={2084577748:0}, ret=3] [L1541] CALL LDV_INIT_LIST_HEAD(&p->report_list) VAL [dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, list={2084577748:4}] [L1099] list->next = list VAL [dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, list={2084577748:4}, list={2084577748:4}] [L1100] list->prev = list VAL [dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, list={2084577748:4}, list={2084577748:4}] [L1541] RET LDV_INIT_LIST_HEAD(&p->report_list) VAL [dev={908105257:0}, dev={908105257:0}, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, p={2084577748:0}, ret=3] [L1542] dev->report_enum = p VAL [dev={908105257:0}, dev={908105257:0}, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, p={2084577748:0}, ret=3] [L1544] CALL hid_open_report(dev) VAL [dev={908105257:0}, device={908105257:0}, ldv_global_msg_list={-1266278871:0}] [L1504] struct hid_parser *parser; [L1505] struct hid_item item; VAL [dev={908105257:0}, device={908105257:0}, device={908105257:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}] [L1506] CALL, EXPR ldv_zalloc(sizeof(struct hid_parser)) VAL [\old(size)=8, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}] [L1081] EXPR, FCALL calloc(size, 1) VAL [\old(size)=8, calloc(size, 1)={924882473:0}, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, size=8] [L1081] return calloc(size, 1); VAL [\old(size)=8, \result={924882473:0}, calloc(size, 1)={924882473:0}, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, size=8] [L1506] RET, EXPR ldv_zalloc(sizeof(struct hid_parser)) VAL [dev={908105257:0}, device={908105257:0}, device={908105257:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}, ldv_zalloc(sizeof(struct hid_parser))={924882473:0}] [L1506] parser = ldv_zalloc(sizeof(struct hid_parser)) [L1507] COND FALSE !(!parser) VAL [dev={908105257:0}, device={908105257:0}, device={908105257:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}, parser={924882473:0}] [L1510] parser->device = device VAL [dev={908105257:0}, device={908105257:0}, device={908105257:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}, parser={924882473:0}] [L1511] CALL, EXPR ldv_positive() VAL [dev={908105257:0}, ldv_global_msg_list={-1266278871:0}] [L1064] int r = __VERIFIER_nondet_int(); [L1065] COND TRUE r>0 [L1065] return r; VAL [\result=1, dev={908105257:0}, ldv_global_msg_list={-1266278871:0}, r=1] [L1511] RET, EXPR ldv_positive() VAL [dev={908105257:0}, device={908105257:0}, device={908105257:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}, ldv_positive()=1, parser={924882473:0}] [L1511] parser->report_id = ldv_positive() VAL [dev={908105257:0}, device={908105257:0}, device={908105257:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}, ldv_positive()=1, parser={924882473:0}] [L1517] CALL, EXPR fetch_item(&item) VAL [dev={908105257:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}] [L1461] COND FALSE !(__VERIFIER_nondet_int()) [L1464] item->type = 0 VAL [dev={908105257:0}, item={-658203392:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}] [L1465] item->a = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={908105257:0}, item={-658203392:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}] [L1466] item->b = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={908105257:0}, item={-658203392:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}] [L1467] item->c = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={908105257:0}, item={-658203392:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}] [L1468] return 0; VAL [\result=0, dev={908105257:0}, item={-658203392:0}, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}] [L1517] RET, EXPR fetch_item(&item) VAL [dev={908105257:0}, device={908105257:0}, device={908105257:0}, fetch_item(&item)=0, item={-658203392:0}, ldv_global_msg_list={-1266278871:0}, parser={924882473:0}] [L1517] COND TRUE fetch_item(&item)!=-1 [L1518] EXPR item.type VAL [dev={908105257:0}, device={908105257:0}, device={908105257:0}, item={-658203392:0}, item.type=0, ldv_global_msg_list={-1266278871:0}, parser={924882473:0}] [L1518] dispatch_type[item.type] VAL [dev={908105257:0}, device={908105257:0}, device={908105257:0}, item={-658203392:0}, item.type=0, ldv_global_msg_list={-1266278871:0}, parser={924882473:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 52 procedures, 478 locations, 127 error locations. UNSAFE Result, 174.1s OverallTime, 17 OverallIterations, 1 TraceHistogramMax, 158.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2264 SDtfs, 1434 SDslu, 6939 SDs, 0 SdLazy, 3517 SolverSat, 241 SolverUnsat, 141 SolverUnknown, 0 SolverNotchecked, 141.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 570 GetRequests, 445 SyntacticMatches, 16 SemanticMatches, 109 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 25.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=343occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 228 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 537 ConstructedInterpolants, 48 QuantifiedInterpolants, 57534 SizeOfPredicates, 52 NumberOfNonLiveVariables, 2708 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...