./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9665c64f05d33d8cbaad336d091302b2843ac77 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:25:30,375 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:25:30,376 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:25:30,384 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:25:30,384 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:25:30,385 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:25:30,385 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:25:30,386 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:25:30,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:25:30,388 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:25:30,388 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:25:30,389 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:25:30,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:25:30,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:25:30,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:25:30,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:25:30,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:25:30,393 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:25:30,394 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:25:30,395 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:25:30,396 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:25:30,397 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:25:30,398 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:25:30,399 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:25:30,399 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:25:30,400 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:25:30,400 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:25:30,401 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:25:30,401 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:25:30,402 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:25:30,402 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:25:30,403 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:25:30,403 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:25:30,403 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:25:30,403 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:25:30,404 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:25:30,404 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-02 17:25:30,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:25:30,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:25:30,414 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:25:30,414 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:25:30,415 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:25:30,415 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:25:30,415 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:25:30,415 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:25:30,416 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:25:30,417 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:25:30,417 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:25:30,417 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:25:30,417 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:25:30,417 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:25:30,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:25:30,417 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:25:30,417 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 17:25:30,417 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:25:30,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9665c64f05d33d8cbaad336d091302b2843ac77 [2018-12-02 17:25:30,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:25:30,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:25:30,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:25:30,453 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:25:30,454 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:25:30,454 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_true-valid-memsafety_true-termination.i [2018-12-02 17:25:30,494 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/data/b30c0a1cb/72de8b26f3fc40538275af031e8fe0c5/FLAG4d29eb541 [2018-12-02 17:25:30,845 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:25:30,845 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/sv-benchmarks/c/ldv-memsafety/memleaks_test7_true-valid-memsafety_true-termination.i [2018-12-02 17:25:30,854 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/data/b30c0a1cb/72de8b26f3fc40538275af031e8fe0c5/FLAG4d29eb541 [2018-12-02 17:25:31,231 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/data/b30c0a1cb/72de8b26f3fc40538275af031e8fe0c5 [2018-12-02 17:25:31,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:25:31,235 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 17:25:31,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:25:31,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:25:31,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:25:31,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:25:31" (1/1) ... [2018-12-02 17:25:31,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5af7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31, skipping insertion in model container [2018-12-02 17:25:31,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:25:31" (1/1) ... [2018-12-02 17:25:31,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:25:31,270 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:25:31,489 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:25:31,500 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:25:31,536 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:25:31,568 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:25:31,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31 WrapperNode [2018-12-02 17:25:31,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:25:31,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:25:31,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:25:31,569 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:25:31,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31" (1/1) ... [2018-12-02 17:25:31,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31" (1/1) ... [2018-12-02 17:25:31,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31" (1/1) ... [2018-12-02 17:25:31,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31" (1/1) ... [2018-12-02 17:25:31,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31" (1/1) ... [2018-12-02 17:25:31,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31" (1/1) ... [2018-12-02 17:25:31,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31" (1/1) ... [2018-12-02 17:25:31,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:25:31,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:25:31,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:25:31,616 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:25:31,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:25:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:25:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:25:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 17:25:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-02 17:25:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-02 17:25:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-02 17:25:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-02 17:25:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 17:25:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 17:25:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-02 17:25:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-02 17:25:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-12-02 17:25:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-12-02 17:25:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 17:25:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:25:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 17:25:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 17:25:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 17:25:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-02 17:25:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-02 17:25:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 17:25:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 17:25:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 17:25:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 17:25:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 17:25:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 17:25:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 17:25:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 17:25:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 17:25:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 17:25:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 17:25:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-02 17:25:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-02 17:25:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-02 17:25:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 17:25:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 17:25:31,883 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 17:25:32,004 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 17:25:32,165 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:25:32,165 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 17:25:32,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:25:32 BoogieIcfgContainer [2018-12-02 17:25:32,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:25:32,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:25:32,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:25:32,168 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:25:32,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:25:31" (1/3) ... [2018-12-02 17:25:32,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ac3726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:25:32, skipping insertion in model container [2018-12-02 17:25:32,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:25:31" (2/3) ... [2018-12-02 17:25:32,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ac3726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:25:32, skipping insertion in model container [2018-12-02 17:25:32,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:25:32" (3/3) ... [2018-12-02 17:25:32,171 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_true-valid-memsafety_true-termination.i [2018-12-02 17:25:32,178 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:25:32,185 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 75 error locations. [2018-12-02 17:25:32,198 INFO L257 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2018-12-02 17:25:32,219 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:25:32,220 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:25:32,220 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 17:25:32,220 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:25:32,220 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:25:32,220 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:25:32,220 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:25:32,220 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:25:32,220 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:25:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-12-02 17:25:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 17:25:32,239 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:32,239 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] [2018-12-02 17:25:32,241 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:32,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:32,244 INFO L82 PathProgramCache]: Analyzing trace with hash 942196748, now seen corresponding path program 1 times [2018-12-02 17:25:32,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:32,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:32,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:32,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:32,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:32,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:25:32,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:25:32,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:25:32,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:25:32,412 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 5 states. [2018-12-02 17:25:32,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:32,458 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2018-12-02 17:25:32,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:25:32,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-02 17:25:32,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:32,466 INFO L225 Difference]: With dead ends: 78 [2018-12-02 17:25:32,466 INFO L226 Difference]: Without dead ends: 75 [2018-12-02 17:25:32,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:25:32,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-02 17:25:32,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 60. [2018-12-02 17:25:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 17:25:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-12-02 17:25:32,496 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 23 [2018-12-02 17:25:32,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:32,496 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-12-02 17:25:32,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:25:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-12-02 17:25:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 17:25:32,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:32,497 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] [2018-12-02 17:25:32,497 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:32,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:32,498 INFO L82 PathProgramCache]: Analyzing trace with hash 611234756, now seen corresponding path program 1 times [2018-12-02 17:25:32,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:32,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:32,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:32,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:32,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:32,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:32,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:25:32,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:25:32,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:25:32,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:25:32,539 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 5 states. [2018-12-02 17:25:32,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:32,555 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2018-12-02 17:25:32,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:25:32,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-02 17:25:32,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:32,556 INFO L225 Difference]: With dead ends: 59 [2018-12-02 17:25:32,556 INFO L226 Difference]: Without dead ends: 59 [2018-12-02 17:25:32,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:25:32,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-02 17:25:32,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-02 17:25:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-02 17:25:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2018-12-02 17:25:32,560 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 23 [2018-12-02 17:25:32,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:32,561 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2018-12-02 17:25:32,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:25:32,561 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2018-12-02 17:25:32,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 17:25:32,561 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:32,561 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] [2018-12-02 17:25:32,562 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:32,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:32,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1071279467, now seen corresponding path program 1 times [2018-12-02 17:25:32,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:32,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:32,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:32,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:32,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:32,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:32,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:25:32,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:25:32,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:25:32,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:25:32,615 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 6 states. [2018-12-02 17:25:32,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:32,736 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2018-12-02 17:25:32,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:25:32,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-02 17:25:32,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:32,738 INFO L225 Difference]: With dead ends: 85 [2018-12-02 17:25:32,738 INFO L226 Difference]: Without dead ends: 85 [2018-12-02 17:25:32,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:25:32,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-02 17:25:32,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 74. [2018-12-02 17:25:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-12-02 17:25:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2018-12-02 17:25:32,743 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 23 [2018-12-02 17:25:32,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:32,744 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 87 transitions. [2018-12-02 17:25:32,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:25:32,744 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2018-12-02 17:25:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 17:25:32,745 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:32,745 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] [2018-12-02 17:25:32,745 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:32,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:32,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1071279468, now seen corresponding path program 1 times [2018-12-02 17:25:32,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:32,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:32,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:32,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:32,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:32,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:25:32,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:25:32,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:25:32,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:25:32,777 INFO L87 Difference]: Start difference. First operand 74 states and 87 transitions. Second operand 6 states. [2018-12-02 17:25:32,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:32,800 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2018-12-02 17:25:32,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:25:32,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-02 17:25:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:32,801 INFO L225 Difference]: With dead ends: 81 [2018-12-02 17:25:32,801 INFO L226 Difference]: Without dead ends: 81 [2018-12-02 17:25:32,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:25:32,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-02 17:25:32,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2018-12-02 17:25:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-02 17:25:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2018-12-02 17:25:32,806 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 23 [2018-12-02 17:25:32,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:32,806 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2018-12-02 17:25:32,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:25:32,806 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2018-12-02 17:25:32,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 17:25:32,807 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:32,807 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, 1, 1] [2018-12-02 17:25:32,807 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:32,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:32,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1768408678, now seen corresponding path program 1 times [2018-12-02 17:25:32,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:32,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:32,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:32,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:32,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:32,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:25:32,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:25:32,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:25:32,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:25:32,844 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand 5 states. [2018-12-02 17:25:32,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:32,904 INFO L93 Difference]: Finished difference Result 84 states and 95 transitions. [2018-12-02 17:25:32,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:25:32,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-02 17:25:32,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:32,905 INFO L225 Difference]: With dead ends: 84 [2018-12-02 17:25:32,905 INFO L226 Difference]: Without dead ends: 84 [2018-12-02 17:25:32,905 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:25:32,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-12-02 17:25:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2018-12-02 17:25:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-12-02 17:25:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2018-12-02 17:25:32,910 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 24 [2018-12-02 17:25:32,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:32,910 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2018-12-02 17:25:32,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:25:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2018-12-02 17:25:32,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 17:25:32,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:32,911 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:25:32,911 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:32,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:32,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1475005671, now seen corresponding path program 1 times [2018-12-02 17:25:32,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:32,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:32,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:32,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:32,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:32,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:25:32,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:25:32,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:25:32,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:25:32,940 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand 5 states. [2018-12-02 17:25:32,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:32,950 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2018-12-02 17:25:32,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:25:32,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-02 17:25:32,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:32,951 INFO L225 Difference]: With dead ends: 62 [2018-12-02 17:25:32,951 INFO L226 Difference]: Without dead ends: 62 [2018-12-02 17:25:32,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:25:32,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-02 17:25:32,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-12-02 17:25:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-02 17:25:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-12-02 17:25:32,954 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 24 [2018-12-02 17:25:32,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:32,954 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-12-02 17:25:32,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:25:32,954 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-12-02 17:25:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 17:25:32,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:32,955 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:25:32,955 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:32,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:32,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1150633198, now seen corresponding path program 1 times [2018-12-02 17:25:32,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:32,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:32,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:32,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:33,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:33,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:25:33,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:25:33,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:25:33,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:25:33,012 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 4 states. [2018-12-02 17:25:33,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:33,064 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-12-02 17:25:33,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:25:33,064 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-12-02 17:25:33,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:33,064 INFO L225 Difference]: With dead ends: 66 [2018-12-02 17:25:33,064 INFO L226 Difference]: Without dead ends: 54 [2018-12-02 17:25:33,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:25:33,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-02 17:25:33,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-12-02 17:25:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-02 17:25:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-12-02 17:25:33,067 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 24 [2018-12-02 17:25:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:33,067 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-12-02 17:25:33,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:25:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-12-02 17:25:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 17:25:33,068 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:33,068 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] [2018-12-02 17:25:33,068 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:33,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:33,068 INFO L82 PathProgramCache]: Analyzing trace with hash 598123674, now seen corresponding path program 1 times [2018-12-02 17:25:33,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:33,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:33,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:33,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:33,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:33,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:25:33,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:25:33,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:25:33,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:25:33,112 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 7 states. [2018-12-02 17:25:33,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:33,217 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2018-12-02 17:25:33,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:25:33,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-12-02 17:25:33,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:33,218 INFO L225 Difference]: With dead ends: 59 [2018-12-02 17:25:33,218 INFO L226 Difference]: Without dead ends: 59 [2018-12-02 17:25:33,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:25:33,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-02 17:25:33,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2018-12-02 17:25:33,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-02 17:25:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-12-02 17:25:33,221 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 29 [2018-12-02 17:25:33,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:33,221 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-12-02 17:25:33,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:25:33,221 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-12-02 17:25:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 17:25:33,222 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:33,222 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] [2018-12-02 17:25:33,222 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:33,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:33,223 INFO L82 PathProgramCache]: Analyzing trace with hash 598123675, now seen corresponding path program 1 times [2018-12-02 17:25:33,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:33,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:33,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:33,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:33,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:33,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:25:33,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:25:33,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:25:33,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:25:33,291 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 8 states. [2018-12-02 17:25:33,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:33,388 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2018-12-02 17:25:33,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:25:33,388 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-12-02 17:25:33,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:33,388 INFO L225 Difference]: With dead ends: 52 [2018-12-02 17:25:33,389 INFO L226 Difference]: Without dead ends: 52 [2018-12-02 17:25:33,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:25:33,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-02 17:25:33,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-02 17:25:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-02 17:25:33,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-12-02 17:25:33,392 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 29 [2018-12-02 17:25:33,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:33,392 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-12-02 17:25:33,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:25:33,392 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-12-02 17:25:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 17:25:33,393 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:33,393 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] [2018-12-02 17:25:33,394 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:33,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:33,394 INFO L82 PathProgramCache]: Analyzing trace with hash -2004687162, now seen corresponding path program 1 times [2018-12-02 17:25:33,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:33,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:33,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:33,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:33,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:33,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:25:33,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:25:33,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:25:33,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:25:33,427 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 6 states. [2018-12-02 17:25:33,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:33,445 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2018-12-02 17:25:33,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:25:33,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-12-02 17:25:33,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:33,446 INFO L225 Difference]: With dead ends: 59 [2018-12-02 17:25:33,446 INFO L226 Difference]: Without dead ends: 59 [2018-12-02 17:25:33,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:25:33,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-02 17:25:33,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2018-12-02 17:25:33,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-02 17:25:33,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-12-02 17:25:33,450 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 31 [2018-12-02 17:25:33,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:33,450 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-12-02 17:25:33,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:25:33,450 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-12-02 17:25:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 17:25:33,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:33,451 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] [2018-12-02 17:25:33,451 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:33,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:33,451 INFO L82 PathProgramCache]: Analyzing trace with hash -2016318185, now seen corresponding path program 1 times [2018-12-02 17:25:33,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:33,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:33,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:33,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:33,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:33,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:25:33,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:25:33,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:25:33,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:25:33,560 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 8 states. [2018-12-02 17:25:33,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:33,693 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2018-12-02 17:25:33,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:25:33,693 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-12-02 17:25:33,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:33,693 INFO L225 Difference]: With dead ends: 60 [2018-12-02 17:25:33,694 INFO L226 Difference]: Without dead ends: 50 [2018-12-02 17:25:33,694 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:25:33,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-02 17:25:33,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-12-02 17:25:33,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-02 17:25:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-12-02 17:25:33,696 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 32 [2018-12-02 17:25:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:33,696 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-12-02 17:25:33,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:25:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-12-02 17:25:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 17:25:33,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:33,697 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] [2018-12-02 17:25:33,698 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:33,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:33,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1309536226, now seen corresponding path program 1 times [2018-12-02 17:25:33,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:33,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:33,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:33,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:33,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:33,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:25:33,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:25:33,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:25:33,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:25:33,740 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 7 states. [2018-12-02 17:25:33,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:33,789 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-12-02 17:25:33,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:25:33,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2018-12-02 17:25:33,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:33,790 INFO L225 Difference]: With dead ends: 50 [2018-12-02 17:25:33,790 INFO L226 Difference]: Without dead ends: 50 [2018-12-02 17:25:33,790 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:25:33,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-02 17:25:33,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2018-12-02 17:25:33,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-02 17:25:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-12-02 17:25:33,792 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 37 [2018-12-02 17:25:33,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:33,792 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-12-02 17:25:33,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:25:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-12-02 17:25:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 17:25:33,793 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:33,793 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] [2018-12-02 17:25:33,793 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:33,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:33,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1309536225, now seen corresponding path program 1 times [2018-12-02 17:25:33,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:33,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:33,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:33,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:33,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:33,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:25:33,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:25:33,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:25:33,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:25:33,856 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 8 states. [2018-12-02 17:25:33,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:33,900 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-12-02 17:25:33,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:25:33,900 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-12-02 17:25:33,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:33,901 INFO L225 Difference]: With dead ends: 48 [2018-12-02 17:25:33,901 INFO L226 Difference]: Without dead ends: 48 [2018-12-02 17:25:33,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:25:33,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-12-02 17:25:33,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-12-02 17:25:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-02 17:25:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-12-02 17:25:33,902 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 37 [2018-12-02 17:25:33,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:33,903 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-12-02 17:25:33,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:25:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-12-02 17:25:33,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 17:25:33,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:33,903 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] [2018-12-02 17:25:33,904 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:33,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:33,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1940917010, now seen corresponding path program 1 times [2018-12-02 17:25:33,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:33,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:33,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:33,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:33,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:33,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 17:25:33,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 17:25:33,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 17:25:33,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:25:33,965 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 11 states. [2018-12-02 17:25:34,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:34,022 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-12-02 17:25:34,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 17:25:34,023 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 38 [2018-12-02 17:25:34,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:34,023 INFO L225 Difference]: With dead ends: 47 [2018-12-02 17:25:34,023 INFO L226 Difference]: Without dead ends: 47 [2018-12-02 17:25:34,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:25:34,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-02 17:25:34,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-12-02 17:25:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-02 17:25:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-12-02 17:25:34,025 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 38 [2018-12-02 17:25:34,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:34,025 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-12-02 17:25:34,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 17:25:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-12-02 17:25:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 17:25:34,025 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:34,025 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] [2018-12-02 17:25:34,025 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:34,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:34,026 INFO L82 PathProgramCache]: Analyzing trace with hash -38884770, now seen corresponding path program 1 times [2018-12-02 17:25:34,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:34,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:34,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:34,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:34,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:34,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:34,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 17:25:34,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 17:25:34,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 17:25:34,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:25:34,087 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 11 states. [2018-12-02 17:25:34,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:34,173 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-12-02 17:25:34,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 17:25:34,173 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2018-12-02 17:25:34,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:34,173 INFO L225 Difference]: With dead ends: 47 [2018-12-02 17:25:34,174 INFO L226 Difference]: Without dead ends: 47 [2018-12-02 17:25:34,174 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:25:34,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-02 17:25:34,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2018-12-02 17:25:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-02 17:25:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-12-02 17:25:34,175 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 39 [2018-12-02 17:25:34,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:34,175 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-12-02 17:25:34,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 17:25:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-12-02 17:25:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 17:25:34,175 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:34,176 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] [2018-12-02 17:25:34,176 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:34,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:34,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1941475649, now seen corresponding path program 1 times [2018-12-02 17:25:34,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:34,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:34,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:34,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:34,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:34,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:34,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:25:34,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:25:34,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:25:34,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:25:34,191 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 5 states. [2018-12-02 17:25:34,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:34,195 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2018-12-02 17:25:34,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:25:34,195 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-12-02 17:25:34,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:34,196 INFO L225 Difference]: With dead ends: 46 [2018-12-02 17:25:34,196 INFO L226 Difference]: Without dead ends: 46 [2018-12-02 17:25:34,196 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:25:34,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-02 17:25:34,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-12-02 17:25:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-02 17:25:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2018-12-02 17:25:34,198 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 38 [2018-12-02 17:25:34,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:34,198 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2018-12-02 17:25:34,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:25:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2018-12-02 17:25:34,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 17:25:34,199 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:34,199 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] [2018-12-02 17:25:34,199 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 17:25:34,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:34,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1823144183, now seen corresponding path program 1 times [2018-12-02 17:25:34,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:25:34,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:25:34,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:34,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:34,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:25:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:34,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:34,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-02 17:25:34,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 17:25:34,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 17:25:34,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:25:34,374 INFO L87 Difference]: Start difference. First operand 46 states and 45 transitions. Second operand 14 states. [2018-12-02 17:25:34,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:34,559 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2018-12-02 17:25:34,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 17:25:34,559 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 45 [2018-12-02 17:25:34,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:34,559 INFO L225 Difference]: With dead ends: 45 [2018-12-02 17:25:34,559 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 17:25:34,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-12-02 17:25:34,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 17:25:34,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 17:25:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 17:25:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:25:34,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2018-12-02 17:25:34,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:34,560 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:25:34,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 17:25:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:25:34,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:25:34,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:25:34 BoogieIcfgContainer [2018-12-02 17:25:34,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:25:34,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:25:34,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:25:34,565 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:25:34,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:25:32" (3/4) ... [2018-12-02 17:25:34,568 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:25:34,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f6 [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2018-12-02 17:25:34,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2018-12-02 17:25:34,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g6 [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2018-12-02 17:25:34,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2018-12-02 17:25:34,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2018-12-02 17:25:34,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure disconnect_6 [2018-12-02 17:25:34,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure probe1_6 [2018-12-02 17:25:34,580 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-12-02 17:25:34,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 17:25:34,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 17:25:34,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:25:34,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:25:34,615 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4cd5ebae-b0c8-46a5-9ec1-a6cf803cdfb8/bin-2019/uautomizer/witness.graphml [2018-12-02 17:25:34,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:25:34,615 INFO L168 Benchmark]: Toolchain (without parser) took 3381.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 949.5 MB in the beginning and 1.0 GB in the end (delta: -66.8 MB). Peak memory consumption was 88.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:25:34,616 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:25:34,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -111.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:25:34,617 INFO L168 Benchmark]: Boogie Preprocessor took 46.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:25:34,617 INFO L168 Benchmark]: RCFGBuilder took 550.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.7 MB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:25:34,617 INFO L168 Benchmark]: TraceAbstraction took 2398.43 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 954.7 MB in the beginning and 1.0 GB in the end (delta: -68.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:25:34,618 INFO L168 Benchmark]: Witness Printer took 49.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-02 17:25:34,619 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -111.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 550.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.7 MB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2398.43 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 954.7 MB in the beginning and 1.0 GB in the end (delta: -68.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 49.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1294]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1294]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1121]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1121]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1411]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1411]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1157]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1157]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1256]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1256]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1258]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1258]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1116]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1116]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1115]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1115]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1340]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1344]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1339]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1340]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1344]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1339]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1164]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1163]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1164]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1163]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1163]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1163]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1474]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1099]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1099]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1100]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1100]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1108]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1108]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1110]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1107]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1110]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1107]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1109]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1109]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1198]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1198]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1265]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1265]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1267]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1267]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1126]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1126]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1193]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1193]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1462]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1462]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1462]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1462]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1146]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1146]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1457]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1453]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1453]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1457]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 75 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 347 locations, 75 error locations. SAFE Result, 2.3s OverallTime, 17 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 814 SDtfs, 311 SDslu, 2591 SDs, 0 SdLazy, 1384 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 40 SyntacticMatches, 9 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 17 MinimizatonAttempts, 44 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 519 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 502 ConstructedInterpolants, 0 QuantifiedInterpolants, 82304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...