./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_1_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_1_true-valid-memsafety.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 75a4b2700f7e5eb2f441e8ca44900f973fcef82c ............................................................................................................................................. 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_1_true-valid-memsafety.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 75a4b2700f7e5eb2f441e8ca44900f973fcef82c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:16:45,379 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:16:45,381 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:16:45,393 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:16:45,393 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:16:45,394 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:16:45,396 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:16:45,398 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:16:45,400 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:16:45,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:16:45,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:16:45,402 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:16:45,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:16:45,404 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:16:45,406 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:16:45,407 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:16:45,407 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:16:45,410 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:16:45,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:16:45,414 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:16:45,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:16:45,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:16:45,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:16:45,420 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:16:45,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:16:45,421 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:16:45,422 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:16:45,423 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:16:45,424 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:16:45,426 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:16:45,426 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:16:45,427 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:16:45,427 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:16:45,427 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:16:45,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:16:45,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:16:45,429 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:16:45,451 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:16:45,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:16:45,453 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:16:45,453 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:16:45,454 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:16:45,454 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:16:45,454 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:16:45,454 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:16:45,454 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:16:45,454 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:16:45,455 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:16:45,456 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:16:45,456 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:16:45,456 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:16:45,456 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:16:45,456 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:16:45,457 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:16:45,457 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:16:45,457 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:16:45,457 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:16:45,457 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:16:45,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:16:45,459 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:16:45,459 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:16:45,459 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:16:45,459 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:16:45,460 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 -> 75a4b2700f7e5eb2f441e8ca44900f973fcef82c [2019-01-13 23:16:45,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:16:45,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:16:45,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:16:45,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:16:45,520 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:16:45,520 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_1_true-valid-memsafety.i [2019-01-13 23:16:45,581 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f002e22f/fbcec90b44ef492cb6cd48245d1bda7a/FLAG4d8f021a5 [2019-01-13 23:16:46,065 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:16:46,066 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_1_true-valid-memsafety.i [2019-01-13 23:16:46,085 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f002e22f/fbcec90b44ef492cb6cd48245d1bda7a/FLAG4d8f021a5 [2019-01-13 23:16:46,400 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f002e22f/fbcec90b44ef492cb6cd48245d1bda7a [2019-01-13 23:16:46,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:16:46,406 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:16:46,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:16:46,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:16:46,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:16:46,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:16:46" (1/1) ... [2019-01-13 23:16:46,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afe4581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:46, skipping insertion in model container [2019-01-13 23:16:46,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:16:46" (1/1) ... [2019-01-13 23:16:46,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:16:46,504 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:16:47,175 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:16:47,177 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NumberFormatException: Illegal leading minus sign on unsigned string -1234567. at java.lang.Integer.parseUnsignedInt(Integer.java:672) at java.lang.Integer.parseUnsignedInt(Integer.java:711) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.getConstantFirstDimensionOfArray(CTranslationUtil.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructIndexToInitInfo(InitializationHandler.java:1268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructInitializerInfo(InitializationHandler.java:1223) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:223) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.createUltimateInitProcedure(PostProcessor.java:746) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.postProcess(PostProcessor.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:567) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-13 23:16:47,183 INFO L168 Benchmark]: Toolchain (without parser) took 778.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:16:47,185 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:16:47,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:16:47,190 INFO L336 ainManager$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 775.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NumberFormatException: Illegal leading minus sign on unsigned string -1234567. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NumberFormatException: Illegal leading minus sign on unsigned string -1234567.: java.lang.Integer.parseUnsignedInt(Integer.java:672) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:16:49,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:16:49,330 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:16:49,344 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:16:49,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:16:49,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:16:49,347 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:16:49,349 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:16:49,350 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:16:49,351 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:16:49,352 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:16:49,353 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:16:49,353 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:16:49,354 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:16:49,356 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:16:49,356 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:16:49,357 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:16:49,359 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:16:49,361 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:16:49,363 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:16:49,364 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:16:49,365 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:16:49,368 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:16:49,368 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:16:49,369 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:16:49,370 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:16:49,371 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:16:49,371 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:16:49,372 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:16:49,373 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:16:49,374 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:16:49,374 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:16:49,375 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:16:49,375 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:16:49,376 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:16:49,377 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:16:49,377 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 23:16:49,400 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:16:49,401 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:16:49,402 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:16:49,402 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:16:49,402 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:16:49,402 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:16:49,404 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:16:49,404 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:16:49,404 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:16:49,404 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:16:49,405 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:16:49,405 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:16:49,405 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:16:49,405 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:16:49,405 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:16:49,405 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 23:16:49,406 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 23:16:49,406 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:16:49,406 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:16:49,407 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:16:49,407 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:16:49,407 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:16:49,407 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:16:49,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:16:49,408 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:16:49,408 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:16:49,408 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 23:16:49,408 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:16:49,408 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 23:16:49,408 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 -> 75a4b2700f7e5eb2f441e8ca44900f973fcef82c [2019-01-13 23:16:49,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:16:49,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:16:49,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:16:49,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:16:49,481 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:16:49,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_1_true-valid-memsafety.i [2019-01-13 23:16:49,538 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7490b8792/a9f1c90c83e5462fb803ae34a10ba0e6/FLAG7a86fdfe9 [2019-01-13 23:16:50,112 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:16:50,113 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test23_1_true-valid-memsafety.i [2019-01-13 23:16:50,142 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7490b8792/a9f1c90c83e5462fb803ae34a10ba0e6/FLAG7a86fdfe9 [2019-01-13 23:16:50,360 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7490b8792/a9f1c90c83e5462fb803ae34a10ba0e6 [2019-01-13 23:16:50,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:16:50,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:16:50,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:16:50,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:16:50,369 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:16:50,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:16:50" (1/1) ... [2019-01-13 23:16:50,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32fe48ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:50, skipping insertion in model container [2019-01-13 23:16:50,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:16:50" (1/1) ... [2019-01-13 23:16:50,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:16:50,465 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:16:51,021 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:16:51,125 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:16:51,221 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:16:51,322 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:16:51,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:51 WrapperNode [2019-01-13 23:16:51,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:16:51,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:16:51,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:16:51,323 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:16:51,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:51" (1/1) ... [2019-01-13 23:16:51,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:51" (1/1) ... [2019-01-13 23:16:51,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:51" (1/1) ... [2019-01-13 23:16:51,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:51" (1/1) ... [2019-01-13 23:16:51,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:51" (1/1) ... [2019-01-13 23:16:51,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:51" (1/1) ... [2019-01-13 23:16:51,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:51" (1/1) ... [2019-01-13 23:16:51,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:16:51,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:16:51,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:16:51,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:16:51,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:16:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:16:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:16:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:16:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-01-13 23:16:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:16:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:16:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:16:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:16:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:16:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:16:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:16:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:16:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:16:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:16:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:16:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:16:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:16:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:16:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:16:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:16:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:16:51,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:16:51,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:16:51,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:16:51,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:16:51,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:16:51,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:16:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:16:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:16:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:16:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:16:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:16:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:16:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:16:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:16:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:16:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:16:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:16:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:16:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:16:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure fetch_item [2019-01-13 23:16:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_register_report [2019-01-13 23:16:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parser_main [2019-01-13 23:16:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure free_reports [2019-01-13 23:16:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2019-01-13 23:16:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_device [2019-01-13 23:16:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_23 [2019-01-13 23:16:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_23 [2019-01-13 23:16:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:16:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:16:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:16:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:16:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:16:51,534 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:16:51,535 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:16:51,535 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:16:51,535 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:16:51,535 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:16:51,535 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:16:51,535 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:16:51,535 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:16:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:16:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:16:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:16:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:16:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:16:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:16:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:16:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:16:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:16:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:16:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:16:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:16:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:16:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:16:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:16:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:16:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:16:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:16:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:16:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:16:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:16:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:16:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:16:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:16:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:16:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:16:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:16:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:16:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:16:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:16:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:16:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:16:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:16:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:16:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:16:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:16:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:16:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:16:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:16:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:16:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:16:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:16:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:16:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:16:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:16:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:16:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:16:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:16:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:16:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:16:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:16:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:16:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:16:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:16:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:16:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:16:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:16:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:16:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:16:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:16:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:16:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:16:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:16:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:16:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:16:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:16:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:16:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:16:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:16:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:16:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:16:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:16:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:16:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:16:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:16:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:16:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:16:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:16:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:16:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:16:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:16:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:16:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:16:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:16:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:16:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:16:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:16:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:16:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:16:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:16:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:16:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:16:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:16:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:16:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:16:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:16:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:16:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:16:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:16:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:16:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:16:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:16:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:16:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:16:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:16:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:16:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:16:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:16:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:16:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:16:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:16:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:16:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:16:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:16:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:16:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:16:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:16:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:16:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:16:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:16:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:16:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:16:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:16:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 23:16:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 23:16:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:16:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:16:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:16:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:16:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:16:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:16:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:16:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:16:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:16:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:16:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:16:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:16:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:16:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:16:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:16:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:16:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:16:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure fetch_item [2019-01-13 23:16:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure hid_register_report [2019-01-13 23:16:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parser_main [2019-01-13 23:16:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure free_reports [2019-01-13 23:16:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2019-01-13 23:16:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:16:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-01-13 23:16:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_device [2019-01-13 23:16:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure probe_23 [2019-01-13 23:16:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_23 [2019-01-13 23:16:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:16:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:16:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:16:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:16:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:16:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:16:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:16:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:16:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-13 23:16:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-13 23:16:52,332 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:16:53,747 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:16:55,054 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:16:55,054 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-13 23:16:55,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:16:55 BoogieIcfgContainer [2019-01-13 23:16:55,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:16:55,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:16:55,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:16:55,062 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:16:55,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:16:50" (1/3) ... [2019-01-13 23:16:55,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44aa1701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:16:55, skipping insertion in model container [2019-01-13 23:16:55,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:16:51" (2/3) ... [2019-01-13 23:16:55,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44aa1701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:16:55, skipping insertion in model container [2019-01-13 23:16:55,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:16:55" (3/3) ... [2019-01-13 23:16:55,067 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test23_1_true-valid-memsafety.i [2019-01-13 23:16:55,080 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:16:55,091 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 127 error locations. [2019-01-13 23:16:55,112 INFO L257 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2019-01-13 23:16:55,142 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:16:55,143 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:16:55,143 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:16:55,144 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:16:55,144 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:16:55,144 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:16:55,144 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:16:55,144 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:16:55,144 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:16:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2019-01-13 23:16:55,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-13 23:16:55,201 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:16:55,202 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:16:55,206 INFO L423 AbstractCegarLoop]: === Iteration 1 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:16:55,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:16:55,218 INFO L82 PathProgramCache]: Analyzing trace with hash -215032366, now seen corresponding path program 1 times [2019-01-13 23:16:55,223 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:16:55,225 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:16:55,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:55,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:16:55,648 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:16:55,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:16:55,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:16:55,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:16:55,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:16:55,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:16:55,672 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 5 states. [2019-01-13 23:16:55,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:16:55,824 INFO L93 Difference]: Finished difference Result 178 states and 185 transitions. [2019-01-13 23:16:55,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:16:55,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-01-13 23:16:55,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:16:55,841 INFO L225 Difference]: With dead ends: 178 [2019-01-13 23:16:55,841 INFO L226 Difference]: Without dead ends: 175 [2019-01-13 23:16:55,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:16:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-01-13 23:16:55,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2019-01-13 23:16:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-01-13 23:16:55,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 180 transitions. [2019-01-13 23:16:55,899 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 180 transitions. Word has length 18 [2019-01-13 23:16:55,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:16:55,899 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 180 transitions. [2019-01-13 23:16:55,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:16:55,900 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 180 transitions. [2019-01-13 23:16:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-13 23:16:55,900 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:16:55,901 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:16:55,902 INFO L423 AbstractCegarLoop]: === Iteration 2 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:16:55,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:16:55,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1957842701, now seen corresponding path program 1 times [2019-01-13 23:16:55,903 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:16:55,903 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:16:55,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:56,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:56,078 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 23:16:56,080 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:56,090 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:56,090 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:16:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:16:56,289 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (3)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:16:56,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:16:56,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:16:56,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:16:56,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:16:56,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:16:56,295 INFO L87 Difference]: Start difference. First operand 173 states and 180 transitions. Second operand 7 states. [2019-01-13 23:16:57,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:16:57,452 INFO L93 Difference]: Finished difference Result 173 states and 180 transitions. [2019-01-13 23:16:57,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:16:57,453 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-01-13 23:16:57,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:16:57,456 INFO L225 Difference]: With dead ends: 173 [2019-01-13 23:16:57,456 INFO L226 Difference]: Without dead ends: 173 [2019-01-13 23:16:57,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:16:57,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-01-13 23:16:57,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2019-01-13 23:16:57,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-13 23:16:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 178 transitions. [2019-01-13 23:16:57,475 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 178 transitions. Word has length 18 [2019-01-13 23:16:57,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:16:57,475 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 178 transitions. [2019-01-13 23:16:57,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:16:57,476 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 178 transitions. [2019-01-13 23:16:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-13 23:16:57,476 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:16:57,476 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:16:57,477 INFO L423 AbstractCegarLoop]: === Iteration 3 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:16:57,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:16:57,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1957842700, now seen corresponding path program 1 times [2019-01-13 23:16:57,478 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:16:57,478 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:16:57,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:57,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:57,619 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 23:16:57,620 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:57,629 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:57,629 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:16:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:16:57,801 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:16:57,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:16:57,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:16:57,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:16:57,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:16:57,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:16:57,804 INFO L87 Difference]: Start difference. First operand 171 states and 178 transitions. Second operand 8 states. [2019-01-13 23:16:58,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:16:58,777 INFO L93 Difference]: Finished difference Result 171 states and 178 transitions. [2019-01-13 23:16:58,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:16:58,778 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-01-13 23:16:58,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:16:58,783 INFO L225 Difference]: With dead ends: 171 [2019-01-13 23:16:58,783 INFO L226 Difference]: Without dead ends: 171 [2019-01-13 23:16:58,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:16:58,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-13 23:16:58,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2019-01-13 23:16:58,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-01-13 23:16:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 176 transitions. [2019-01-13 23:16:58,804 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 176 transitions. Word has length 18 [2019-01-13 23:16:58,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:16:58,804 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 176 transitions. [2019-01-13 23:16:58,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:16:58,805 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 176 transitions. [2019-01-13 23:16:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:16:58,807 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:16:58,807 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:16:58,808 INFO L423 AbstractCegarLoop]: === Iteration 4 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:16:58,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:16:58,808 INFO L82 PathProgramCache]: Analyzing trace with hash -630033103, now seen corresponding path program 1 times [2019-01-13 23:16:58,808 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:16:58,808 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:16:58,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:16:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:16:58,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:16:58,957 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:16:59,022 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:59,151 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:16:59,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-13 23:16:59,193 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:59,311 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:59,316 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:16:59,329 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:16:59,331 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-13 23:16:59,365 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:16:59,394 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:16:59,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:16:59,426 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-13 23:16:59,519 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2019-01-13 23:16:59,520 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:16:59,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:16:59,578 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:11 [2019-01-13 23:16:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:16:59,786 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:16:59,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:16:59,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-13 23:16:59,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-13 23:16:59,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-13 23:16:59,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:16:59,792 INFO L87 Difference]: Start difference. First operand 169 states and 176 transitions. Second operand 12 states. [2019-01-13 23:17:01,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:17:01,976 INFO L93 Difference]: Finished difference Result 261 states and 275 transitions. [2019-01-13 23:17:01,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-13 23:17:01,979 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2019-01-13 23:17:01,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:17:01,983 INFO L225 Difference]: With dead ends: 261 [2019-01-13 23:17:01,983 INFO L226 Difference]: Without dead ends: 258 [2019-01-13 23:17:01,983 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 [2019-01-13 23:17:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2019-01-13 23:17:02,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 172. [2019-01-13 23:17:02,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-01-13 23:17:02,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 179 transitions. [2019-01-13 23:17:02,001 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 179 transitions. Word has length 22 [2019-01-13 23:17:02,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:17:02,002 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 179 transitions. [2019-01-13 23:17:02,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-13 23:17:02,002 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 179 transitions. [2019-01-13 23:17:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:17:02,005 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:17:02,005 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:17:02,006 INFO L423 AbstractCegarLoop]: === Iteration 5 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:17:02,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:17:02,006 INFO L82 PathProgramCache]: Analyzing trace with hash -630033102, now seen corresponding path program 1 times [2019-01-13 23:17:02,006 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:17:02,006 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:17:02,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:17:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:17:02,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:17:02,159 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:17:02,168 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:17:02,184 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:17:02,195 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-13 23:17:02,196 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:17:02,264 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:17:02,328 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:17:02,329 INFO L303 Elim1Store]: Index analysis took 103 ms [2019-01-13 23:17:02,342 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:17:02,343 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-13 23:17:02,398 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:17:02,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:17:02,505 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-13 23:17:02,512 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-13 23:17:02,513 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-13 23:17:02,519 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:17:02,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:17:02,582 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:83 [2019-01-13 23:17:03,678 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-13 23:17:03,690 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:17:03,691 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:17:03,692 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2019-01-13 23:17:03,693 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:17:03,771 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:17:03,775 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2019-01-13 23:17:03,776 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:17:03,882 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2019-01-13 23:17:03,883 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:17:03,959 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:17:03,962 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:17:03,964 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:17:03,965 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2019-01-13 23:17:03,965 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:17:04,035 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:17:04,035 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:61, output treesize:28 [2019-01-13 23:17:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:17:04,127 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:17:04,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:17:04,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:17:04,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:17:04,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:17:04,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-13 23:17:04,132 INFO L87 Difference]: Start difference. First operand 172 states and 179 transitions. Second operand 9 states. [2019-01-13 23:17:04,357 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-01-13 23:17:04,557 WARN L181 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-01-13 23:17:11,875 WARN L181 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 31 [2019-01-13 23:17:13,789 WARN L181 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-01-13 23:17:16,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:17:16,842 INFO L93 Difference]: Finished difference Result 257 states and 271 transitions. [2019-01-13 23:17:16,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-13 23:17:16,844 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-01-13 23:17:16,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:17:16,846 INFO L225 Difference]: With dead ends: 257 [2019-01-13 23:17:16,846 INFO L226 Difference]: Without dead ends: 257 [2019-01-13 23:17:16,847 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=67, Invalid=141, Unknown=6, NotChecked=26, Total=240 [2019-01-13 23:17:16,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-01-13 23:17:16,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 171. [2019-01-13 23:17:16,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-13 23:17:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 178 transitions. [2019-01-13 23:17:16,858 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 178 transitions. Word has length 22 [2019-01-13 23:17:16,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:17:16,859 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 178 transitions. [2019-01-13 23:17:16,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:17:16,859 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 178 transitions. [2019-01-13 23:17:16,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:17:16,860 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:17:16,861 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:17:16,862 INFO L423 AbstractCegarLoop]: === Iteration 6 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:17:16,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:17:16,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1990702713, now seen corresponding path program 1 times [2019-01-13 23:17:16,866 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:17:16,866 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:17:16,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:17:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:17:16,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:17:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:17:17,030 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:17:17,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:17:17,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:17:17,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:17:17,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:17:17,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:17:17,033 INFO L87 Difference]: Start difference. First operand 171 states and 178 transitions. Second operand 6 states. [2019-01-13 23:17:17,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:17:17,178 INFO L93 Difference]: Finished difference Result 177 states and 183 transitions. [2019-01-13 23:17:17,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:17:17,179 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-13 23:17:17,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:17:17,180 INFO L225 Difference]: With dead ends: 177 [2019-01-13 23:17:17,180 INFO L226 Difference]: Without dead ends: 169 [2019-01-13 23:17:17,181 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 [2019-01-13 23:17:17,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-01-13 23:17:17,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2019-01-13 23:17:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-01-13 23:17:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 173 transitions. [2019-01-13 23:17:17,188 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 173 transitions. Word has length 24 [2019-01-13 23:17:17,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:17:17,188 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 173 transitions. [2019-01-13 23:17:17,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:17:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 173 transitions. [2019-01-13 23:17:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:17:17,189 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:17:17,189 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:17:17,193 INFO L423 AbstractCegarLoop]: === Iteration 7 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:17:17,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:17:17,193 INFO L82 PathProgramCache]: Analyzing trace with hash 400648345, now seen corresponding path program 1 times [2019-01-13 23:17:17,194 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:17:17,194 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:17:17,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:17:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:17:17,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:17:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:17:17,282 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:17:17,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:17:17,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:17:17,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:17:17,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:17:17,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:17:17,288 INFO L87 Difference]: Start difference. First operand 167 states and 173 transitions. Second operand 5 states. [2019-01-13 23:17:17,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:17:17,328 INFO L93 Difference]: Finished difference Result 163 states and 168 transitions. [2019-01-13 23:17:17,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:17:17,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-13 23:17:17,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:17:17,332 INFO L225 Difference]: With dead ends: 163 [2019-01-13 23:17:17,332 INFO L226 Difference]: Without dead ends: 163 [2019-01-13 23:17:17,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:17:17,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-01-13 23:17:17,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2019-01-13 23:17:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-01-13 23:17:17,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 168 transitions. [2019-01-13 23:17:17,337 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 168 transitions. Word has length 22 [2019-01-13 23:17:17,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:17:17,337 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 168 transitions. [2019-01-13 23:17:17,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:17:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 168 transitions. [2019-01-13 23:17:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-13 23:17:17,339 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:17:17,339 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:17:17,340 INFO L423 AbstractCegarLoop]: === Iteration 8 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:17:17,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:17:17,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1258926379, now seen corresponding path program 1 times [2019-01-13 23:17:17,340 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:17:17,340 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:17:17,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:17:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:17:17,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:17:17,515 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 23:17:17,515 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:17:17,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:17:17,517 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:17:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:17:17,569 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:17:17,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:17:17,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:17:17,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:17:17,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:17:17,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:17:17,584 INFO L87 Difference]: Start difference. First operand 163 states and 168 transitions. Second operand 7 states. [2019-01-13 23:17:18,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:17:18,473 INFO L93 Difference]: Finished difference Result 160 states and 165 transitions. [2019-01-13 23:17:18,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:17:18,475 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-01-13 23:17:18,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:17:18,476 INFO L225 Difference]: With dead ends: 160 [2019-01-13 23:17:18,476 INFO L226 Difference]: Without dead ends: 160 [2019-01-13 23:17:18,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:17:18,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-01-13 23:17:18,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-01-13 23:17:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-01-13 23:17:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2019-01-13 23:17:18,482 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 36 [2019-01-13 23:17:18,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:17:18,482 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2019-01-13 23:17:18,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:17:18,483 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2019-01-13 23:17:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-13 23:17:18,483 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:17:18,484 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:17:18,484 INFO L423 AbstractCegarLoop]: === Iteration 9 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:17:18,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:17:18,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1258926380, now seen corresponding path program 1 times [2019-01-13 23:17:18,485 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:17:18,485 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:17:18,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:17:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:17:18,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:17:18,664 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 23:17:18,664 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:17:18,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:17:18,682 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:17:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:17:18,758 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:17:18,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:17:18,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:17:18,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:17:18,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:17:18,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:17:18,761 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 6 states. [2019-01-13 23:17:19,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:17:19,497 INFO L93 Difference]: Finished difference Result 157 states and 162 transitions. [2019-01-13 23:17:19,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:17:19,498 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-01-13 23:17:19,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:17:19,500 INFO L225 Difference]: With dead ends: 157 [2019-01-13 23:17:19,500 INFO L226 Difference]: Without dead ends: 157 [2019-01-13 23:17:19,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:17:19,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-01-13 23:17:19,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-01-13 23:17:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-01-13 23:17:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 162 transitions. [2019-01-13 23:17:19,505 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 162 transitions. Word has length 36 [2019-01-13 23:17:19,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:17:19,506 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 162 transitions. [2019-01-13 23:17:19,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:17:19,506 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2019-01-13 23:17:19,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-13 23:17:19,507 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:17:19,507 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:17:19,508 INFO L423 AbstractCegarLoop]: === Iteration 10 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:17:19,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:17:19,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1629568956, now seen corresponding path program 1 times [2019-01-13 23:17:19,509 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:17:19,509 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:17:19,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:17:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:17:19,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:17:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:17:19,637 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:17:19,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:17:19,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:17:19,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:17:19,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:17:19,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:17:19,641 INFO L87 Difference]: Start difference. First operand 157 states and 162 transitions. Second operand 5 states. [2019-01-13 23:17:19,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:17:19,697 INFO L93 Difference]: Finished difference Result 156 states and 161 transitions. [2019-01-13 23:17:19,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:17:19,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-01-13 23:17:19,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:17:19,700 INFO L225 Difference]: With dead ends: 156 [2019-01-13 23:17:19,700 INFO L226 Difference]: Without dead ends: 156 [2019-01-13 23:17:19,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:17:19,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-01-13 23:17:19,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-01-13 23:17:19,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-01-13 23:17:19,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 161 transitions. [2019-01-13 23:17:19,706 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 161 transitions. Word has length 40 [2019-01-13 23:17:19,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:17:19,706 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 161 transitions. [2019-01-13 23:17:19,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:17:19,706 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2019-01-13 23:17:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-13 23:17:19,710 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:17:19,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:17:19,711 INFO L423 AbstractCegarLoop]: === Iteration 11 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:17:19,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:17:19,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1022969746, now seen corresponding path program 1 times [2019-01-13 23:17:19,712 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:17:19,712 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:17:19,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:17:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:17:19,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:17:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:17:19,989 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:17:19,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:17:19,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:17:19,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:17:19,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:17:19,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:17:19,992 INFO L87 Difference]: Start difference. First operand 156 states and 161 transitions. Second operand 6 states. [2019-01-13 23:17:20,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:17:20,143 INFO L93 Difference]: Finished difference Result 156 states and 160 transitions. [2019-01-13 23:17:20,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:17:20,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2019-01-13 23:17:20,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:17:20,145 INFO L225 Difference]: With dead ends: 156 [2019-01-13 23:17:20,145 INFO L226 Difference]: Without dead ends: 156 [2019-01-13 23:17:20,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:17:20,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-01-13 23:17:20,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-01-13 23:17:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-01-13 23:17:20,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions. [2019-01-13 23:17:20,150 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 41 [2019-01-13 23:17:20,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:17:20,150 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions. [2019-01-13 23:17:20,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:17:20,151 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2019-01-13 23:17:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-13 23:17:20,155 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:17:20,156 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:17:20,156 INFO L423 AbstractCegarLoop]: === Iteration 12 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:17:20,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:17:20,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2044752358, now seen corresponding path program 1 times [2019-01-13 23:17:20,157 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:17:20,157 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:17:20,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:17:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:17:20,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:17:20,413 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 23:17:20,413 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:17:20,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:17:20,418 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:17:20,959 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc13.base| (_ BitVec 32))) (= |c_#valid| (store |c_old(#valid)| |ldv_zalloc_#t~malloc13.base| (_ bv1 1)))) is different from true [2019-01-13 23:17:20,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 23:17:20,962 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:17:20,965 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:17:20,966 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:6, output treesize:5 [2019-01-13 23:17:23,150 WARN L181 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2019-01-13 23:17:23,161 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-13 23:17:23,161 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:17:23,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:17:23,168 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-13 23:17:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:17:24,297 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:17:24,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:17:24,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:17:24,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:17:24,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:17:24,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=36, Unknown=5, NotChecked=12, Total=72 [2019-01-13 23:17:24,301 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 9 states. [2019-01-13 23:17:39,593 WARN L181 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-13 23:19:13,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:19:13,522 INFO L93 Difference]: Finished difference Result 171 states and 177 transitions. [2019-01-13 23:19:13,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:19:13,523 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2019-01-13 23:19:13,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:19:13,525 INFO L225 Difference]: With dead ends: 171 [2019-01-13 23:19:13,525 INFO L226 Difference]: Without dead ends: 171 [2019-01-13 23:19:13,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=42, Invalid=86, Unknown=8, NotChecked=20, Total=156 [2019-01-13 23:19:13,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-13 23:19:13,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 151. [2019-01-13 23:19:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-01-13 23:19:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2019-01-13 23:19:13,535 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 47 [2019-01-13 23:19:13,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:19:13,535 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2019-01-13 23:19:13,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:19:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2019-01-13 23:19:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-13 23:19:13,536 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:19:13,536 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:19:13,537 INFO L423 AbstractCegarLoop]: === Iteration 13 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:19:13,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:19:13,537 INFO L82 PathProgramCache]: Analyzing trace with hash -2044752357, now seen corresponding path program 1 times [2019-01-13 23:19:13,541 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:19:13,541 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:19:13,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:19:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:19:13,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:19:13,798 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 23:19:13,798 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:19:13,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 23:19:13,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:19:13,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:19:13,824 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-13 23:19:15,154 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc13.base| (_ BitVec 32)) (ldv_zalloc_~size (_ BitVec 32))) (and (= (select |c_old(#valid)| |ldv_zalloc_#t~malloc13.base|) (_ bv0 1)) (= |c_#length| (store |c_old(#length)| |ldv_zalloc_#t~malloc13.base| ldv_zalloc_~size)))) is different from true [2019-01-13 23:19:15,159 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-13 23:19:15,159 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:19:15,169 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-13 23:19:15,169 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:19:15,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:19:15,177 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2019-01-13 23:19:15,200 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:19:15,202 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:19:15,203 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2019-01-13 23:19:15,203 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:19:15,238 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:19:15,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:19:15,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:19:15,255 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:9 [2019-01-13 23:19:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:19:15,322 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:19:15,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:19:15,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:19:15,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:19:15,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:19:15,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-13 23:19:15,326 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand 9 states. [2019-01-13 23:19:16,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:19:16,442 INFO L93 Difference]: Finished difference Result 166 states and 172 transitions. [2019-01-13 23:19:16,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:19:16,443 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2019-01-13 23:19:16,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:19:16,445 INFO L225 Difference]: With dead ends: 166 [2019-01-13 23:19:16,446 INFO L226 Difference]: Without dead ends: 166 [2019-01-13 23:19:16,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=38, Invalid=75, Unknown=1, NotChecked=18, Total=132 [2019-01-13 23:19:16,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-01-13 23:19:16,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 146. [2019-01-13 23:19:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-01-13 23:19:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2019-01-13 23:19:16,451 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 47 [2019-01-13 23:19:16,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:19:16,451 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2019-01-13 23:19:16,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:19:16,451 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2019-01-13 23:19:16,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-13 23:19:16,458 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:19:16,458 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:19:16,459 INFO L423 AbstractCegarLoop]: === Iteration 14 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:19:16,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:19:16,460 INFO L82 PathProgramCache]: Analyzing trace with hash 827582631, now seen corresponding path program 1 times [2019-01-13 23:19:16,460 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:19:16,460 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:19:16,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:19:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:19:16,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:19:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:19:16,946 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:19:16,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:19:16,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:19:16,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:19:16,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:19:16,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:19:16,957 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 7 states. [2019-01-13 23:19:17,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:19:17,437 INFO L93 Difference]: Finished difference Result 145 states and 149 transitions. [2019-01-13 23:19:17,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:19:17,439 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-01-13 23:19:17,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:19:17,441 INFO L225 Difference]: With dead ends: 145 [2019-01-13 23:19:17,441 INFO L226 Difference]: Without dead ends: 145 [2019-01-13 23:19:17,442 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:19:17,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-01-13 23:19:17,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-01-13 23:19:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-01-13 23:19:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 149 transitions. [2019-01-13 23:19:17,446 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 149 transitions. Word has length 51 [2019-01-13 23:19:17,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:19:17,446 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 149 transitions. [2019-01-13 23:19:17,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:19:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 149 transitions. [2019-01-13 23:19:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-13 23:19:17,447 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:19:17,447 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:19:17,448 INFO L423 AbstractCegarLoop]: === Iteration 15 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:19:17,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:19:17,449 INFO L82 PathProgramCache]: Analyzing trace with hash 827584075, now seen corresponding path program 1 times [2019-01-13 23:19:17,449 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:19:17,449 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:19:17,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:19:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:19:17,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:19:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:19:17,588 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:19:17,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:19:17,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:19:17,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:19:17,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:19:17,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:19:17,591 INFO L87 Difference]: Start difference. First operand 145 states and 149 transitions. Second operand 4 states. [2019-01-13 23:19:17,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:19:17,602 INFO L93 Difference]: Finished difference Result 148 states and 152 transitions. [2019-01-13 23:19:17,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 23:19:17,603 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-01-13 23:19:17,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:19:17,604 INFO L225 Difference]: With dead ends: 148 [2019-01-13 23:19:17,605 INFO L226 Difference]: Without dead ends: 148 [2019-01-13 23:19:17,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:19:17,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-01-13 23:19:17,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-01-13 23:19:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-01-13 23:19:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2019-01-13 23:19:17,609 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 51 [2019-01-13 23:19:17,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:19:17,610 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2019-01-13 23:19:17,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:19:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2019-01-13 23:19:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-13 23:19:17,611 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:19:17,611 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:19:17,611 INFO L423 AbstractCegarLoop]: === Iteration 16 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:19:17,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:19:17,612 INFO L82 PathProgramCache]: Analyzing trace with hash -896254186, now seen corresponding path program 1 times [2019-01-13 23:19:17,612 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:19:17,612 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:19:17,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:19:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:19:17,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:19:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:19:17,838 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:19:17,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:19:17,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:19:17,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:19:17,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:19:17,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:19:17,844 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 5 states. [2019-01-13 23:19:17,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:19:17,857 INFO L93 Difference]: Finished difference Result 143 states and 146 transitions. [2019-01-13 23:19:17,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:19:17,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-01-13 23:19:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:19:17,864 INFO L225 Difference]: With dead ends: 143 [2019-01-13 23:19:17,865 INFO L226 Difference]: Without dead ends: 143 [2019-01-13 23:19:17,865 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:19:17,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-01-13 23:19:17,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-01-13 23:19:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-01-13 23:19:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 146 transitions. [2019-01-13 23:19:17,873 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 146 transitions. Word has length 58 [2019-01-13 23:19:17,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:19:17,874 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 146 transitions. [2019-01-13 23:19:17,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:19:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 146 transitions. [2019-01-13 23:19:17,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-13 23:19:17,874 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:19:17,875 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:19:17,875 INFO L423 AbstractCegarLoop]: === Iteration 17 === [fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, 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_reportErr7REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_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_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr6ASSERT_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_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-01-13 23:19:17,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:19:17,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1772326148, now seen corresponding path program 1 times [2019-01-13 23:19:17,878 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:19:17,878 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:19:17,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:19:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:19:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:19:18,656 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:19:18,697 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:19:18,699 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:19:18,700 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-13 23:19:18,700 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-13 23:19:18,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:19:18 BoogieIcfgContainer [2019-01-13 23:19:18,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:19:18,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:19:18,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:19:18,745 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:19:18,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:16:55" (3/4) ... [2019-01-13 23:19:18,754 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-13 23:19:18,792 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:19:18,792 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-13 23:19:18,792 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:19:18,793 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-01-13 23:19:18,907 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 23:19:18,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:19:18,909 INFO L168 Benchmark]: Toolchain (without parser) took 148544.94 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 124.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:19:18,910 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:19:18,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 956.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2019-01-13 23:19:18,914 INFO L168 Benchmark]: Boogie Preprocessor took 137.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:19:18,914 INFO L168 Benchmark]: RCFGBuilder took 3595.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.2 MB in the end (delta: 149.3 MB). Peak memory consumption was 149.3 MB. Max. memory is 11.5 GB. [2019-01-13 23:19:18,915 INFO L168 Benchmark]: TraceAbstraction took 143685.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:19:18,915 INFO L168 Benchmark]: Witness Printer took 163.63 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:19:18,919 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 956.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 137.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3595.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.2 MB in the end (delta: 149.3 MB). Peak memory consumption was 149.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 143685.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 163.63 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1517]: 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) }; [L1558] struct hid_device dev; VAL [\old(dev)=null, \old(dev)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1568] CALL entry_point() VAL [dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1561] CALL probe_23(&dev) VAL [dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1536] int ret = - -3; VAL [dev={-1523737288:0}, dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, ret=3] [L1537] CALL, EXPR ldv_malloc(sizeof(struct hid_report_enum)) VAL [\old(size)=1036, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=1036, \result={1703962374:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, malloc(size)={1703962374:0}, size=1036] [L1537] RET, EXPR ldv_malloc(sizeof(struct hid_report_enum)) VAL [dev={-1523737288:0}, dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, ldv_malloc(sizeof(struct hid_report_enum))={1703962374:0}, ret=3] [L1537] struct hid_report_enum *p = (struct hid_report_enum *)ldv_malloc(sizeof(struct hid_report_enum)); [L1538] COND FALSE !(p==0) VAL [dev={-1523737288:0}, dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, p={1703962374:0}, ret=3] [L1540] CALL LDV_INIT_LIST_HEAD(&p->report_list) VAL [dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, list={1703962374:4}] [L1099] list->next = list VAL [dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, list={1703962374:4}, list={1703962374:4}] [L1100] list->prev = list VAL [dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, list={1703962374:4}, list={1703962374:4}] [L1540] RET LDV_INIT_LIST_HEAD(&p->report_list) VAL [dev={-1523737288:0}, dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, p={1703962374:0}, ret=3] [L1541] dev->report_enum = p VAL [dev={-1523737288:0}, dev={-1523737288:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, p={1703962374:0}, ret=3] [L1543] CALL hid_open_report(dev) VAL [dev={-1523737288:0}, device={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1503] struct hid_parser *parser; [L1504] struct hid_item item; VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1505] CALL, EXPR ldv_zalloc(sizeof(struct hid_parser)) VAL [\old(size)=8, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1081] EXPR, FCALL calloc(size, 1) VAL [\old(size)=8, calloc(size, 1)={-1523737159:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, size=8] [L1081] return calloc(size, 1); VAL [\old(size)=8, \result={-1523737159:0}, calloc(size, 1)={-1523737159:0}, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, size=8] [L1505] RET, EXPR ldv_zalloc(sizeof(struct hid_parser)) VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, ldv_zalloc(sizeof(struct hid_parser))={-1523737159:0}] [L1505] parser = ldv_zalloc(sizeof(struct hid_parser)) [L1506] COND FALSE !(!parser) VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, parser={-1523737159:0}] [L1509] parser->device = device VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, parser={-1523737159:0}] [L1510] CALL, EXPR ldv_positive() VAL [dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}] [L1064] int r = __VERIFIER_nondet_int(); [L1065] COND TRUE r>0 [L1065] return r; VAL [\result=1, dev={-1523737288:0}, ldv_global_msg_list={-2071160599:0}, r=1] [L1510] RET, EXPR ldv_positive() VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, ldv_positive()=1, parser={-1523737159:0}] [L1510] parser->report_id = ldv_positive() VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, ldv_positive()=1, parser={-1523737159:0}] [L1516] CALL, EXPR fetch_item(&item) VAL [dev={-1523737288:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1461] COND FALSE !(__VERIFIER_nondet_int()) [L1464] item->type = 0 VAL [dev={-1523737288:0}, item={-1584557815:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1465] item->a = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={-1523737288:0}, item={-1584557815:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1466] item->b = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={-1523737288:0}, item={-1584557815:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1467] item->c = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={-1523737288:0}, item={-1584557815:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1468] return 0; VAL [\result=0, dev={-1523737288:0}, item={-1584557815:0}, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}] [L1516] RET, EXPR fetch_item(&item) VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, fetch_item(&item)=0, item={-1584557815:0}, ldv_global_msg_list={-2071160599:0}, parser={-1523737159:0}] [L1516] COND TRUE fetch_item(&item)!=-1 [L1517] EXPR item.type VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, item.type=0, ldv_global_msg_list={-2071160599:0}, parser={-1523737159:0}] [L1517] dispatch_type[item.type] VAL [dev={-1523737288:0}, device={-1523737288:0}, device={-1523737288:0}, item={-1584557815:0}, item.type=0, ldv_global_msg_list={-2071160599:0}, parser={-1523737159:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 53 procedures, 482 locations, 127 error locations. UNSAFE Result, 143.6s OverallTime, 17 OverallIterations, 1 TraceHistogramMax, 130.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2251 SDtfs, 1485 SDslu, 6777 SDs, 0 SdLazy, 3417 SolverSat, 251 SolverUnsat, 128 SolverUnknown, 0 SolverNotchecked, 116.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 568 GetRequests, 443 SyntacticMatches, 16 SemanticMatches, 109 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 19.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=344occurred 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, 220 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 535 ConstructedInterpolants, 47 QuantifiedInterpolants, 57122 SizeOfPredicates, 52 NumberOfNonLiveVariables, 2734 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...